Calculate Δ _G_ ° for each of the following reactions from the equilibrium constant at the temperature given. (a) \text{N}_{2}(g) + \text{O}_{2}(g)\ \longrightarrow\ \text{2NO}(g)\mspace{90mu}\text{T} = 2000\ \text{°C}\mspace{90mu} K_{p} = 4.1\ \times \ 10^{\text{−4}} (b) \text{H}_{2}(g) + \text{I}_{2}(g)\ \longrightarrow\ \text{2HI}(g)\mspace{90mu}\text{T} = 400\ \text{°C}\mspace{90mu} K_{p} = 50.0 (c) \text{CO}_{2}(g) + \text{H}_{2}(g)\ \longrightarrow\ \text{CO}(g) + \text{H}_{2}\text{O}(g)\mspace{90mu}\text{T} = 980\ \text{°C}\mspace{90mu} K_{p} = 1.67 (d) \text{CaCO}_{3}(s)\ \longrightarrow\ \text{CaO}(s) + \text{CO}_{2}(g)\mspace{90mu}\text{T} = 900\ \text{°C}\mspace{90mu} K_{p} = 1.04 (e) \text{HF}(aq) + \text{H}_{2}\text{O}(l)\ \longrightarrow\ \text{H}_{3}{}\text{O}^{\text{+}}(aq) + \text{F}^{\text{−}}(aq)\mspace{90mu}\text{T} = 25\ \text{°C}\mspace{90mu} K_{p} = 7.2\ \times \ 10^{\text{−4}} (f) \text{AgBr}(s)\ \longrightarrow\ \text{Ag}^{\text{+}}(aq) + \text{Br}^{\text{−}}(aq)\mspace{90mu}\text{T} = 25\ \text{°C}\mspace{90mu} K_{p} = 3.3\ \times \ 10^{\text{−13}}

chemistry


What was the primary goal of Britainâs wars for empire from 1688 to 1763? control of North Americacontrol of Native Americansgreater power in Europe and the worlddefeat of Catholicism

history


If a sociologist says that nations evolve toward more advanced technology and more complex industry as their citizens learn cultural values that celebrate hard work and success, she is using _______ theory to study the global economy.    A. modernization theory   B. dependency theory   C. modern dependency theory   D. evolutionary dependency theory

sociology


Why is it important for the members of the Board of Governors of the Federal Reserve to have longer terms in office than elected officials, like the President?

economics


political_science


Multiple sclerosis is a demyelinating disease affecting the central nervous system. What type of cell would be the most likely target of this disease? Why?

biology


What type of incentives appeal to someoneâs concern about a cause?

political_science


(a) Calculate the tension in a vertical strand of spider web if a spider of mass 2.00\ \times \ 10^{-5}\ \text{kg} hangs motionless on it. (b) Calculate the tension in a horizontal strand of spider web if the same spider sits motionless in the middle of it much like the tightrope walker in [Figure 5.26](5-6-common-forces) . The strand sags at an angle of 12\text{°} below the horizontal. Compare this with the tension in the vertical strand (find their ratio).

physics


The training of animals usually involves ________.

biology


What is the near point of a person whose eyes have an accommodated power of 53.5 D?

physics


What mass of hydrogen gas results from the reaction of 8.5 g of KH with water?   \text{KH} + \text{H}_{2}\text{O}\ \longrightarrow\ \text{KOH} + \text{H}_{2}

chemistry


LO4.2Why do adjusting entries always include both balance sheet and income statement accounts?

business


Frontiers of information systems present several opportunities, challenges, and risks for use. Which of the following is an opportunity?

computer_science


What is the “first-sale” doctrine?    A. It states that copyright begins with the first sale of your manuscript to a publisher.   B. It gives you the right to protect the integrity of your work after publication.   C. It terminates your distribution rights after you (or your publisher) sell your work to a bookstore, art gallery, etc.

business


mathematics


LO15.5A partnership is thriving. The three partners get along well; they complement each otherâs skill sets and enjoy each otherâs company. One of the partners, Melinda, begins to behave differently. She begins coming to work late or not at all. On several occasions she is spotted leaving the hotel next door in the afternoon. The other partners are concerned about the change in her behavior. They confront her and Melinda denies that anything is different. She points out that her work is still getting done and that she wants a little more flexibility in her hours. The other partners are not convinced and decide to terminate the partnership agreement. Can the other partners break the agreement? What considerations must the partners take into account?

business


How many hours of sleep should school-aged children between six and twelve years of age get every night?

psychology


What kind of waves form in pipe resonators?

physics


Unreasonable Results (a) Calculate the rate of heat transfer by conduction through a window with an area of 1\text{.00}\ \text{~m}^{2} that is 0.750 cm thick, if its inner surface is at \text{22.0ºC} and its outer surface is at \text{35.0ºC} . (b) What is unreasonable about this result? (c) Which premise or assumption is responsible?

physics


LO1.4The Dow Jones Industrial Average (DJIA) is often cited as a key metric for business activity. The average is a mathematical formula that uses the stock prices of thirty companies traded on the New York Stock Exchange (NYSE) and the National Association of Securities Dealers Automated Quotation (NASDAQ) system. Identify several of the companies that are included in the DJIA.Explain why this metric might be commonly used to measure business activity.Research the history of the DJIA and note some interesting facts. When did the Dow begin? What was the first value? What was the lowest value? The following is an example of a website that may be helpful: http://www.dow-jones-djia.com/history-of-dow-jones-industrial-average-index/.What is the current value of the DJIA? What factors might contribute to the difference between early and current values of the DJIA?

business


Marketers must consider the global marketing environment when determining strategy. In addition to the international trade system, economic environment, and cultural norms, what other environmental factor is a critical consideration? Use an example to illustrate the importance of this environmental factor.

business


What is the mathematical relationship between intensity, power, and area?

physics


Worsening climate change has contributed to __________.

political_science


Show graphically that for any tariff, there is an equivalent quota that would give the same result. What would be the difference, then, between the two types of trade barriers?Hint: It is not something you can see from the graph.

economics


Complete and balance the following chemical equations: (a) hardening of plaster containing slaked limeCa(OH)2+CO2â¶Ca(OH)2+CO2â¶ (b) removal of sulfur dioxide from the flue gas of power plantsCaO+SO2â¶CaO+SO2â¶ (c) the reaction of baking powder that produces carbon dioxide gas and causes bread to riseNaHCO3+NaH2PO4â¶NaHCO3+NaH2PO4â¶

chemistry


Case Study: Brooks is a 64-year-old admitted to the emergency room for asthma. Their laboratory results are as follows: pH 7.31, pCO2higher than normal, and total HCO3âalso higher than normal. Classify their acid-base balance as acidosis or alkalosis, and as metabolic or respiratory. Is there evidence of compensation? Propose the mechanism by which asthma contributed to the lab results seen.

biology


A 2-kg block on a frictionless inclined plane at 40\text{°} has a cord attached to a pulley of mass 1 kg and radius 20 cm (see the following figure). The block slides a distance of 0.50 m. (a) What is the acceleration of the block down the plane? (b) What is the work done by the cord on the pulley?

physics


Which of the following is a goal of an arraignment?

business


In this type of regime, the head of government is selected by the legislature and the head of state is popularly elected for a fixed term.

political_science


A particle accelerator sends high-velocity charged particles down an evacuated pipe. Could a coil of wire wrapped around the pipe detect the passage of individual particles via an induced emf? If so, sketch a graph of the voltage output of the coil as a single particle passes through it. If not, determine what orientation of the coil would allow detection of the particle and explain why this orientation is needed.

physics


What are the primary advantages of using NoSQL databases over traditional relational databases?

computer_science


Which of the following statements is true about pravastatin?

nursing


Why does Moore object to the naturalistic fallacy?

philosophy


How did muckrakers help initiate the Progressive Era?

history


business


Describe the relationship between learning disabilities and intellectual disabilities to intelligence.

psychology


mathematics


Which of the following is a positive inotrope?

biology


(a) How long does it take the astronaut in [Example 28.2](28-3-length- contraction) to travel 4.30 ly at 0\text{.99944}c (as measured by the Earth- bound observer)? (b) How long does it take according to the astronaut? (c) Verify that these two times are related through time dilation with \text{γ=}\text{30}\text{.}\text{00} as given.

physics


[LO 6.7](6-7-appendix-analyze-and-record-transactions-for-merchandise- purchases-and-sales-using-the-periodic-inventory-system) If a retailer purchased inventory in the amount of $680, terms 3/10, n/60, returned $120 of the inventory for a full refund, and received an allowance for $70, how much would the discount be if the retailer remitted payment within the discount window?

business


A federated DBMS architecture can be described as

computer_science


Does crossing over occur during prophase II? From an evolutionary perspective, why is this advantageous?

biology


The WipeOut Ski Company manufactures skis for beginners. Fixed costs are $30. Fill inTable 7.16for total cost, average variable cost, average total cost, and marginal cost. QuantityVariable CostFixed CostTotal CostAverage Variable CostAverage Total CostMarginal Cost00$301$10$302$25$303$45$304$70$305$100$306$135$30Table7.16

economics


Use the two frequency tables to compare the life expectancy of males and females from 20 randomly selected countries. Include an overlayed frequency polygon and discuss the shapes of the distributions, the center, the spread, and any outliers. What can we conclude about the life expectancy of females compared to males? Life Expectancy at Birth â FemalesFrequency49â55356â62363â69170â76377â83884â902Table2.48 Life Expectancy at Birth â MalesFrequency49â55356â62363â69170â76177â83784â905Table2.49

mathematics


The first study was performed by the company that designed the software program. The second study was performed by the American Medical Association. Which study is more reliable?

mathematics


What volume of 0.750 M hydrochloric acid solution can be prepared from the HCl produced by the reaction of 25.0 g of NaCl with excess sulfuric acid?NaCl(s)+H2SO4(l)â¶HCl(g)+NaHSO4(s)NaCl(s)+H2SO4(l)â¶HCl(g)+NaHSO4(s)

chemistry


The Freedom of Information Act of 1966 helps citizens exercise oversight over the bureaucracy by ________.

political_science


Proteins are chains of amino acids that can form in a variety of arrangements, one of which is a helix. What kind of IMF is responsible for holding the protein strand in this shape? On the protein image, show the locations of the IMFs that hold the protein together:

chemistry


Here is one hypothesis: A well-funded social safety net can increase economic equality but will reduce economic output. Explain why this might be so, and sketch a production possibility curve that shows this tradeoff.

economics


Which of the following is responsible for forming concentrated urine?

nursing


\int{\frac{\sqrt{4 - \text{sin}^{2}(x)}}{\text{sin}^{2}(x)}\text{cos}(x)dx} using a table of integrals or a CAS

mathematics


Why do you think so many people still believe in astrology and spend money on it? What psychological needs does such a belief system satisfy?

astronomy


Differentiate the passages that attacked a political opponent personally, and those that attacked an opponent's political programs.

general


Explain why the pH does not change significantly when a small amount of an acid or a base is added to a solution that contains equal amounts of the acid H 3 PO 4 and a salt of its conjugate base NaH 2 PO 4 .

chemistry


The weak and strong nuclear forces are basic to the structure of matter. Why we do not experience them directly?

physics


Solve for x : 3\left( {2x - 5} \right) - 3\left( {x - 7} \right) = 2x - 9.

mathematics


A large reflecting telescope has an objective mirror with a 10.0-m radius of curvature. What angular magnification does it produce when a 3.00 m-focal length eyepiece is used?

physics


Is this a one-tailed or two-tailed test?

mathematics


Find the exact solution for e^{2x} - e^{x} - 110 = @. If there is no solution, write _no solution_ .

mathematics


What two countries were engaged in a negotiation that the Lodge Corollary disallowed? Mexico and JapanNicaragua and FranceColombia and JapanMexico and Spain

history


mathematics


physics


What is the molarity of the diluted solution when each of the following solutions is diluted to the given final volume? (a) 1.00 L of a 0.250- _M_ solution of Fe(NO 3 ) 3 is diluted to a final volume of 2.00 L (b) 0.5000 L of a 0.1222- _M_ solution of C 3 H 7 OH is diluted to a final volume of 1.250 L (c) 2.35 L of a 0.350- _M_ solution of H 3 PO 4 is diluted to a final volume of 4.00 L (d) 22.50 mL of a 0.025- _M_ solution of C 12 H 22 O 11 is diluted to 100.0 mL

chemistry


A lottery winner has an annuity that has a present value of \text{\$}10 million. What interest rate would they need to live on perpetual annual payments of \text{\$}250,000?

mathematics


Each of the following compounds contains a metal that can exhibit more than one ionic charge. Name these compounds: (a) Cr 2 O 3 (b) FeCl 2 (c) CrO 3 (d) TiCl 4 (e) CoCl 2 ·6H 2 O (f) MoS 2

chemistry


What is the primary difference between organizational and activational effects of hormones?

psychology


Explain why glass prisms disperse light.

astronomy


Among the reasons socialism never developed into a political movement in the United States was that trade unions _________.

sociology


Based on Marciaâs identity status, what is the typical direction of identity development in middle adulthood?

psychology


Transatlantic air travel in business class has an estimated elasticity of demand of 0.40, while transatlantic air travel in economy class has an estimated price elasticity of 0.62. Why do you think this is the case?

economics


Are U.S. unemployment rates typically higher, lower, or about the same as unemployment rates in other high-income countries?

economics


Can you think of a time when your behavior in a crowd was dictated by the circumstances? Give an example of emergent-norm perspective, using your own experience.

sociology


What region of the cerebral cortex is associated with understanding language, both from another person and the language a person generates himself or herself?

biology


A client newly diagnosed with plaque psoriasis asks the nurse how this condition will be treated. Which is the correct response by the nurse?

nursing


(a) Use the exact exponential treatment to find how much time is required to bring the current through an 80.0 mH inductor in series with a \text{15.0 Ω} resistor to 99.0% of its final value, starting from zero. (b) Compare your answer to the approximate treatment using integral numbers of \tau . (c) Discuss how significant the difference is.

physics


How many significant figures are contained in each of the following measurements? (a) 53 cm (b) 2.05 \times 10 8 m (c) 86,002 J (d) 9.740 \times 10 4 m/s (e) 10.0613 m 3 (f) 0.17 g/mL (g) 0.88400 s

chemistry


An emf of 0.40 V is induced across a coil when the current through it changes uniformly from 0.10 to 0.60 A in 0.30 s. What is the self-inductance of the coil?

physics


During an oral surgery, the surgeon nicked the patient’s gum with a sharp instrument. This allowed _Streptococcus_ , a bacterium normally present in the mouth, to gain access to the blood. As a result, the patient developed bacterial endocarditis (an infection of the heart). Which type of disease is this?    A. iatrogenic   B. nosocomial   C. vectors   D. zoonotic

biology


According to Max Horkheimer, what are the three distinguishing marks of a plausible critical theory?

philosophy


economics


Would a human have been possible during the first generation of stars that formed right after the Big Bang? Why or why not?

astronomy


You can determine the behavior of all first-order differential equations using directional fields or Euler’s method.

mathematics


Graph âyearâ versus â# flu cases diagnosedâ (plot the scatter plot).  Do not include pre-1981 data.

mathematics


physics


Emotions that generate changes in the corrugator supercilii and zygomaticus facial muscles are generally observed during states of:

psychology


House leaders are more powerful than Senate leaders because of ________.

political_science


LO15.5What are the four steps involved in liquidating a partnership?

business


Which of the following nuclei lie within the band of stability shown inFigure 21.2? (a) chlorine-37 (b) calcium-40 (c)204Bi (d)56Fe (e)206Pb (f)211Pb (g)222Rn (h) carbon-14

chemistry


Which morphological adaptations of neurons make them suitable for the transmission of nerve impulse?

biology


When should political leadersnotfollow public opinion, and why?

political_science


In this chapter, we identify these characteristic properties of life: life extracts energy from its environment, and has a means of encoding and replicating information in order to make faithful copies of itself. Does this definition fully capture what we think of as âlifeâ? How might our definition be biased by our terrestrial environment?

astronomy


Use theMolecule Shape simulatorto build a molecule. Starting with the central atom, click on the double bond to add one double bond. Then add one single bond and one lone pair. Rotate the molecule to observe the complete geometry. Name the electron group geometry and molecular structure and predict the bond angle. Then click the check boxes at the bottom and right of the simulator to check your answers.

chemistry


ReviewFigure 3.4. Suppose the government decided that, since gasoline is a necessity, its price should be legally capped at $1.30 per gallon. What do you anticipate would be the outcome in the gasoline market?

economics


[Table 20.15](20-self-check-questions#Table_33_16) shows how the average costs of production for semiconductors (the “chips” in computer memories) change as the quantity of semiconductors built at that factory increases.    A. Based on these data, sketch a curve with quantity produced on the horizontal axis and average cost of production on the vertical axis. How does the curve illustrate economies of scale?   B. If the equilibrium quantity of semiconductors demanded is 90,000, can this economy take full advantage of economies of scale? What about if quantity demanded is 70,000 semiconductors? 50,000 semiconductors? 30,000 semiconductors?   C. Explain how international trade could make it possible for even a small economy to take full advantage of economies of scale, while also benefiting from competition and the variety offered by several producers.  Quantity of Semiconductors | Average Total Cost   ---|---   10,000 | $8 each   20,000 | $5 each   30,000 | $3 each   40,000 | $2 each   100,000 | $2 each   Table 20.15

economics


Which of the following changes in the financial market will lead to a decline in interest rates:    A. a rise in demand   B. a fall in demand   C. a rise in supply   D. a fall in supply

economics


business


(a) A physicist performing a sensitive measurement wants to limit the magnetic force on a moving charge in her equipment to less than 1\text{.}{\text{00} \times \text{10}^{- \text{12}}}\ N . What is the greatest the charge can be if it moves at a maximum speed of 30.0 m/s in the Earth’s field? (b) Discuss whether it would be difficult to limit the charge to less than the value found in (a) by comparing it with typical static electricity and noting that static is often absent.

physics


Two forces are applied to a 5.0-kg object, and it accelerates at a rate of 2.0\ \text{m/s}^{2} in the positive _y_ -direction. If one of the forces acts in the positive _x_ -direction with magnitude 12.0 N, find the magnitude of the other force.

physics


mathematics


In which type of electoral system do voters select the party of their choice rather than an individual candidate? proportional representationfirst-past-the-postplurality votingmajoritarian voting

political_science


If elderly people suffer abuse, it is most often perpetrated by ______.

sociology


All the following were strengths of the Confederacy _except_ ________.    A. the ability to wage a defensive war   B. shorter supply lines   C. the resources of the Upper South states   D. a strong navy

history


A client is admitted with bradycardia detected by an ECG. Which statement describes bradycardia?

nursing


Identify and label the Brønsted-Lowry acid, its conjugate base, the Brønsted- Lowry base, and its conjugate acid in each of the following equations: (a) \text{HNO}_{3} + \text{H}_{2}\text{O}\ \longrightarrow\ \text{H}_{3}\text{O}^{\text{+}} + \text{NO}_{3}{}^{\text{−}} (b) \text{CN}^{\text{−}} + \text{H}_{2}\text{O}\ \longrightarrow\ \text{HCN} + \text{OH}^{\text{−}} (c) \text{H}_{2}\text{SO}_{4} + \text{Cl}^{\text{−}}\ \longrightarrow\ \text{HCl} + \text{HSO}_{4}{}^{\text{−}} (d) \text{HSO}_{4}{}^{\text{−}} + \text{OH}^{\text{−}}\ \longrightarrow\ \text{SO}_{4}{}^{\text{2−}} + \text{H}_{2}\text{O} (e) \text{O}^{2-} + \text{H}_{2}\text{O}\ \longrightarrow\ 2{OH}^{\text{−}} (f) {\lbrack\text{Cu}{(\text{H}_{2}\text{O})}_{3}(\text{OH})\rbrack}^{\text{+}} + {\lbrack\text{Al}{(\text{H}_{2}\text{O})}_{6}\rbrack}^{3+}\ \longrightarrow\ {\lbrack\text{Cu}{(\text{H}_{2}\text{O})}_{4}\rbrack}^{2+} + {\lbrack\text{Al}{(\text{H}_{2}\text{O})}_{5}(\text{OH})\rbrack}^{2+} (g) \text{H}_{2}\text{S} + \text{NH}_{2}{}^{\text{−}}\ \longrightarrow\ \text{HS}^{\text{−}} + \text{NH}_{3}

chemistry


Explain the differences among the e-business models of business-to-consumer, business-to-business, consumer-to-consumer, and government-to-business.

computer_science


Identify several parties likely to be helped and hurt by inflation.

economics


When developing web and IoT technologies, enterprises and IT professionals have the social responsibility to ________.

computer_science


Propose a way to study the function of the rods alone, given they can sense light about 1000 times dimmer than the cones.

physics


Find the value of the sample size needed to be 95% confident that the sample proportion and the population proportion are within 2% of each other.  The sample proportion is 0.650.  Note:  Round all fractions up forn.

business


political_science


Household ammonia is a solution of the weak base NH3in water. List, in order of descending concentration, all of the ionic and molecular species present in a 1-Maqueous solution of this base.

chemistry


What are the components of the CIA triad?

computer_science


You are performing a hypothesis test of a single population mean using a Studentâst-distribution. What must you assume about the distribution of the data?

mathematics


Why is force exerted by static fluids always perpendicular to a surface?

physics


How did the election of 1824 change the way presidents were selected?

political_science


Arteries serving the stomach, pancreas, and liver all branch from the ________.

biology


mathematics


How are the adolescents with ASD similar of different from each other in their sources of communication breakdowns ?

general


Assuming the human body is primarily made of water, estimate the number of molecules in it. (Note that water has a molecular mass of 18 g/mol and there are roughly 10 24 atoms in a mole.)

physics


Which atom would be expected to have a half-filled 4 _s_ subshell?

chemistry


If the potential due to a point charge is 5.00\ \times \ 10^{2}\ \text{V} at a distance of 15.0 m, what are the sign and magnitude of the charge?

physics


For a given oscillator, what are the factors that affect its period and frequency?

physics


For eachdataset, define the type of the data based on following criteria and explain why:Numeric vs. categoricalIf it is numeric, continuous vs. discrete; if it is categorical, nominal vs. ordinal a.âartist_countâ attribute of Spotify dataset b.âmodeâ attribute of Spotify dataset c.âkeyâ attribute of Spotify dataset d.the second column in CancerDoc dataset

computer_science


An 8.0-g bullet has a speed of 800 m/s. (a) What is its kinetic energy? (b) What is its kinetic energy if the speed is halved?

physics


Why might intra-industry trade seem surprising from the point of view of comparative advantage?

economics


[LO 7.4](7-4-prepare-a-subsidiary-ledger) We record purchases of inventory for cash in which journal(s)?

business


According to a study by Yogo and Fujihara (2008), if you want to improve your short-term memory, you should spend time writing about ________.

psychology


In many African countries, AIDS is often not reported as an official cause of death due to what reason?

psychology


A 150-W lightbulb emits 5% of its energy as electromagnetic radiation. What is the radiation pressure on an absorbing sphere of radius 10 m that surrounds the bulb?

physics


Analyze Eriksonâs first two stages of psychosocial developmentâtrust versus mistrust and autonomy versus doubt. How do these stages relate to the development of temperament and early personality in infants and toddlers? Provide examples of how caregiversâ responses during these stages can influence a childâs long-term emotional and social development.

psychology


(a) Verify that work input equals work output for a hydraulic system assuming no losses to friction. Do this by showing that the distance the output force moves is reduced by the same factor that the output force is increased. Assume the volume of the fluid is constant. (b) What effect would friction within the fluid and between components in the system have on the output force? How would this depend on whether or not the fluid is moving?

physics


In an executive sovereignty system, __________.

political_science


Does each individual in a prisonerâs dilemma benefit more from cooperation or from pursuing self-interest? Explain briefly.

economics


Sergio needs to attach a wire to hold the antenna to the roof of his house, as shown in the figure. The antenna is 8 feet tall and Sergio has 10 feet of wire. How far from the base of the antenna can he attach the wire?

mathematics


The legislature of the state of Wyoming enacts a new statute that sets standards for the liability of businesses selling defective products. This statute applies in:    A. Wyoming only.   B. only Wyoming and its bordering states.   C. all states.   D. all states but only to matters not covered by other states’ laws.

business


[LO 5.2](5-2-explain-and-identify-conversion-costs) What is the difference between prime costs and conversion costs?

business


Write the Lewis structure for the diatomic molecule P2, an unstable form of phosphorus found in high-temperature phosphorus vapor.

chemistry


Find the local extrema for the function graphed in [Exercise 3.28](3-review- exercises#fs-id1165137575929) .

mathematics


A nursing student is studying about vaccines and immunizations. The student asks the instructor to clarify the difference between a vaccine and an immunization. How should the instructor respond?

nursing


The secretion of thyroid hormones is controlled by ________.

biology


Explain the difference between internal and external theories of justification.

philosophy


The name of the first manmade satellite, launched by the Soviet Union in 1957, was ________.    A. _Triton_   B. _Cosmolskaya_   C. _Pravda_   D. _Sputnik_

history


Compare and contrast the two ways in which we encode information.

psychology


A very long, thick cylindrical wire of radius _R_ carries a current density _J_ that varies across its cross-section. The magnitude of the current density at a point a distance _r_ from the center of the wire is given by J = J_{0}\frac{r}{R}, where J_{0} is a constant. Find the magnetic field (a) at a point outside the wire and (b) at a point inside the wire. Write your answer in terms of the net current _I_ through the wire.

physics


For the vectors in the earlier figure, find (a) (\mathbf{\overset{\rightarrow}{A}}\ \times \ \mathbf{\overset{\rightarrow}{F}}) \cdot \mathbf{\overset{\rightarrow}{D}} , (b) (\mathbf{\overset{\rightarrow}{A}}\ \times \ \mathbf{\overset{\rightarrow}{F}}) \cdot (\mathbf{\overset{\rightarrow}{D}}\ \times \ \mathbf{\overset{\rightarrow}{B}}) , and (c) (\mathbf{\overset{\rightarrow}{A}} \cdot \mathbf{\overset{\rightarrow}{F}})(\mathbf{\overset{\rightarrow}{D}}\ \times \ \mathbf{\overset{\rightarrow}{B}}) .

physics


Robots have usually been operated by a human at the controls but now are becoming more independent. How?

business


How many grams of Milk of Magnesia, Mg(OH)2(s) (58.3 g/mol), would be soluble in 200 mL of water.Ksp= 7.1ÃÃ10â12. Include the ionic reaction and the expression forKspin your answer. (Kw= 1ÃÃ10â14= [H3O+][OHâ])

chemistry


What can be done to avoid personnel problems that occur after the venture has opened?

business


Referring to [Example 23.14](23-12-rlc-series-ac-circuits) , find the average power at 10.0 kHz.

physics


What heuristics, or cues, do voters use to pick a presidential candidate? Are these a good way to pick a president?

political_science


Design a testing scenario to assess the susceptibility of an alloy to be used in a given environment?

general


At what angle is the first-order maximum for 450-nm wavelength blue light falling on double slits separated by 0.0500 mm?

physics


Synchrotron radiation takes energy from an accelerator beam and is related to acceleration. Why would you expect the problem to be more severe for electron accelerators than proton accelerators?

physics


Prions are responsible for variant Creutzfeldt-Jakob Disease, which has resulted in over 100 human deaths in Great Britain during the last 10 years. How do humans contract this disease?

biology


Many endemic species are found in areas that are geographically isolated. Suggest a plausible scientific explanation for why this is so.

biology


The decomposition of acetaldehyde is a second order reaction with a rate constant of 4.71ÃÃ10â8L molâ1sâ1. What is the instantaneous rate of decomposition of acetaldehyde in a solution with a concentration of 5.55ÃÃ10â4M?

chemistry


In a country, private savings equals 600, the government budget surplus equals 200, and the trade surplus equals 100. What is the level of private investment in this economy?

economics


If mRNA is complementary to the DNA template strand and the DNA template strand is complementary to the DNA nontemplate strand, then why are base sequences of mRNA and the DNA nontemplate strand not identical? Could they ever be?

biology


mathematics


[Table 14.12](14-self-check-questions#Table_15_05) shows the quantity demanded and supplied in the labor market for driving city buses in the town of Unionville, where all the bus drivers belong to a union.  Wage Per Hour | Quantity of Workers Demanded | Quantity of Workers Supplied   ---|---|---   $14 | 12,000 | 6,000   $16 | 10,000 | 7,000   $18 | 8,000 | 8,000   $20 | 6,000 | 9,000   $22 | 4,000 | 10,000   $24 | 2,000 | 11,000   Table 14.12    A. What would the equilibrium wage and quantity be in this market if no union existed?   B. Assume that the union has enough negotiating power to raise the wage to $4 per hour higher than it would otherwise be. Is there now excess demand or excess supply of labor?

economics


â«exsin(x)dxâ«exsin(x)dxcannot be integrated by parts.

mathematics


What was the inciting event that led to the Chicago Race Riot of 1919? a strike at a local factorya protest march of Black activiststhe murder of a Black boy who swam too close to a White beachthe assault of a White man on a streetcar by Black youths

history


Ribosomes are composed of rRNA and what other component?    A. protein   B. carbohydrates   C. DNA   D. mRNA

biology


Silver can be separated from gold because silver dissolves in nitric acid while gold does not. Is the dissolution of silver in nitric acid an acid-base reaction or an oxidation-reduction reaction? Explain your answer.

chemistry


Determine whether the function y = 156(0.825)^{t} represents exponential growth, exponential decay, or neither. Explain

mathematics


If the boat velocity is55km/h due north in still water and the water has a current of22km/h due west (see the following figure), what is the velocity of the boat relative to shore? What is the angleÎ¸Î¸that the boat is actually traveling?

mathematics


What statement best describes the differences among data, information, and knowledge?

computer_science


Describe several main differences in the communication methods used by the endocrine system and the nervous system.

biology


Suppose Alphonsoâs town raises the price of bus tickets from $0.50 to $1 and the price of burgers rises from $2 to $4. Why is the opportunity cost of bus tickets unchanged? Suppose Alphonsoâs weekly spending money increases from $10 to $20. How is his budget constraint affected from all three changes? Explain.

economics


Which statement best describes the PE-KE transformations for a javelin, starting from the instant the javelin leaves the thrower's hand until it hits the ground.

physics


economics


Explain the correlation between accuracy, validity, and reliability in the research method.

sociology


Nerve cells form long projections called ________.    A. soma   B. axons   C. dendrites   D. synapses

biology


Which is more dangerous to living things, gamma rays or X-rays? Explain.

astronomy


Plant cell walls contain which of the following in abundance?

biology


Suppose leptons are created in a reaction. Does this imply the weak force is acting? (for example, considerÎ²Î²decay.)

physics


What is the general quark composition of a baryon? Of a meson?

physics


In this problem, you will verify statements made at the end of the power losses for [Example 20.10](20-5-alternating-current-versus-direct-current) . (a) What current is needed to transmit 100 MW of power at a voltage of 25.0 kV? (b) Find the power loss in a 1\text{.}{\text{00 -}\ \Omega} transmission line. (c) What percent loss does this represent?

physics


What is the process for carbon dioxide and oxygen exchange?

nursing


Write down the first three steps of the scientific method. Think of a broad topic that you are interested in and which would make a good sociological studyâfor example, ethnic diversity in a college, homecoming rituals, athletic scholarships, or teen driving. Now, take that topic through the first steps of the process. For each step, write a few sentences or a paragraph: 1) Develop a research question about the topic. 2) Do some research and write down the titles of some articles or books youâd want to read about the topic. 3) Formulate a hypothesis.

sociology


The evolutionary track for a star of 1 solar mass remains nearly vertical in the HâR diagram for a while (seeFigure 21.12). How is its luminosity changing during this time? Its temperature? Its radius?

astronomy


How are electrons and protons similar? How are they different?

chemistry


Why is the unification of fundamental forces important?

physics


(a) A jet airplane flying from Darwin, Australia, has an air speed of 260 m/s in a direction 5.0º south of west. It is in the jet stream, which is blowing at 35.0 m/s in a direction 15º south of east. What is the velocity of the airplane relative to the Earth? (b) Discuss whether your answers are consistent with your expectations for the effect of the wind on the plane’s path.

physics


LO10.3Describe costing inventory using first-in, first-out. Address the different treatment, if any, that must be given for periodic and perpetual inventory updating.

business


Does plastic insulation on live/hot wires prevent shock hazards, thermal hazards, or both?

physics


Make the conversion indicated in each of the following: (a) the length of a soccer field, 120 m (three significant figures), to feet (b) the height of Mt. Kilimanjaro, at 19,565 ft, the highest mountain in Africa, to kilometers (c) the area of an 8.5- × 11-inch sheet of paper in cm 2 (d) the displacement volume of an automobile engine, 161 in. 3 , to liters (e) the estimated mass of the atmosphere, 5.6 × 10 15 tons, to kilograms(f) the mass of a bushel of rye, 32.0 lb, to kilograms (g) the mass of a 5.00-grain aspirin tablet to milligrams (1 grain = 0.00229 oz)

chemistry


An organ pipe \left( {L = 3.00\ \text{m}} \right) is closed at both ends. Compute the wavelengths and frequencies of the first three modes of resonance. Assume the speed of sound is v = 343.00\ \text{m/s}\text{.}

physics


If the Sun were a member of the cluster NGC 2264, would it be on the main sequence yet? Why or why not?

astronomy


The graph offfis given below. Drawfâ².fâ².

mathematics


Describe how RBPs can prevent miRNAs from degrading an RNA molecule.

biology


Can you assess the value or importance of . . . ?

general


How does the term âGilded Ageâ characterize American society in the late nineteenth century? In what ways is this characterization accurate or inaccurate?

history


Which complication of untreated âpink eyeâ should the nurse teach to a parent of a child with eye redness and a thick discharge?

nursing


mathematics


\left( {s + 8} \right)\left( {s + 9} \right)

mathematics


From the phase diagram for carbon dioxide inFigure 10.34, determine the state of CO2at: (a) 20 Â°C and 1000 kPa (b) 10 Â°C and 2000 kPa (c) 10 Â°C and 100 kPa (d) â40 Â°C and 500 kPa (e) â80 Â°C and 1500 kPa (f) â80 Â°C and 10 kPa

chemistry


Did the United States make the right decision to drop atomic bombs on Japan?

history


business


Which of the following is NOT a way the normal microbiota of the intestine helps to prevent infection?    A. It produces acids that lower the pH of the stomach.   B. It speeds up the process by which microbes are flushed from the digestive tract.   C. It consumes food and occupies space, outcompeting potential pathogens.   D. It generates large quantities of oxygen that kill anaerobic pathogens.

biology


Which brain area is associated with male copulatory behavior in rats?

psychology


The light produced by a red neon sign is due to the emission of light by excited neon atoms. Qualitatively describe the spectrum produced by passing light from a neon lamp through a prism.

chemistry


biology


To study the effects of fast food on lifestyle, health, and culture, from which group would a researcher ethically be unable to accept funding?

sociology


Calculate the relative rate of diffusion of1H2(molar mass 2.0 g/mol) compared with2H2(molar mass 4.0 g/mol) and the relative rate of diffusion of O2(molar mass 32 g/mol) compared with O3(molar mass 48 g/mol).

chemistry


What similarities exist between the discovery of the quark and the discovery of the neutron?

physics


When the momentum of an object increases with respect to time, what is true of the net force acting on it?

physics


\int{\frac{1}{x^{4} + 1}dx} cannot be integrated using partial fractions.

mathematics


Transcription and translation take place in the ________ and ________, respectively.

biology


decide about the most exciting part of the book. being sure to give at least three reasons why?

general


A bug of mass 0.020 kg is at rest on the edge of a solid cylindrical disk (M = 0.10\ \text{kg,}\ R = 0.10\ \text{m}) rotating in a horizontal plane around the vertical axis through its center. The disk is rotating at 10.0 rad/s. The bug crawls to the center of the disk. (a) What is the new angular velocity of the disk? (b) What is the change in the kinetic energy of the system? (c) If the bug crawls back to the outer edge of the disk, what is the angular velocity of the disk then? (d) What is the new kinetic energy of the system? (e) What is the cause of the increase and decrease of kinetic energy?

physics


A ball rolling on the floor with momentump1collides with a stationary ball and sets it in motion. The momentum of the first ball becomesp'1, and that of the second becomesp'2. The directions ofp1,p'1, andp'2are all the same. Compare the magnitudes ofp1andp'2.

physics


Zack bought a printer for his office that was on sale for $Ƽ. The original price of the printer was $450.

mathematics


Find the area of the parallelogram shown.

mathematics


Culturally sensitive design requires ongoing efforts. Which of the following is the best way to ensure a system remains culturally appropriate over time?

computer_science


All the following were strengths of the Unionexcept________. a large populationsubstantial industryan extensive railroadthe ability to fight defensively, rather than offensively

history


Use a graphing calculator or computer to find the standard deviation and round to the nearest tenth.

mathematics


mathematics


If relativistic effects are to be less than 1%, then \gamma must be less than 1.A. At what relative velocity is \gamma = 1.01?

physics


Use a sketch too find the exact value of each expression

general


The addition of 3.15 g of Ba(OH) 2 ·8H 2 O to a solution of 1.52 g of NH 4 SCN in 100 g of water in a calorimeter caused the temperature to fall by 3.1 °C. Assuming the specific heat of the solution and products is 4.20 J/g °C, calculate the approximate amount of heat absorbed by the reaction, which can be represented by the following equation: Ba(OH) 2 ·8H 2 O( _s_ ) + 2NH 4 SCN( _aq_ ) ⟶ Ba(SCN) 2 ( _aq_ ) + 2NH 3 ( _aq_ ) + 10H 2 O( _l_ )

chemistry


Why did some Central American nations object to Taftâs paying off their debt to Europe with U.S. dollars? because American currency wasnât worth as much as local currenciesbecause they felt it gave the United States too much leveragebecause they were forced to give land grants to the United States in returnbecause they wanted Asian countries to pay off their debts instead

history


Explain the difference between electron-pair geometry and molecular structure.

chemistry


(a) The Sun orbits the Milky Way galaxy once each 2\text{.}\text{60 x 10}^{8}\ \text{y} , with a roughly circular orbit averaging 3\text{.}\text{00 x 10}^{4} light years in radius. (A light year is the distance traveled by light in 1 y.) Calculate the centripetal acceleration of the Sun in its galactic orbit. Does your result support the contention that a nearly inertial frame of reference can be located at the Sun?(b) Calculate the average speed of the Sun in its galactic orbit. Does the answer surprise you?

physics


For the preceding problem, find the equilibrium separation of the H and Cl atoms. Compare this with the actual value.

physics


Which of the following groups supported the abolition of slavery?    A. northern business elites   B. southern planter elites   C. wage workers   D. middle-class northerners

history


Which of the following pieces of Trumanâs domestic agenda was rejected by Congress? the Taft-Hartley Actnational healthcarethe creation of a civil rights commissionfunding for schools

history


Why did the North prevail in the Civil War? What might have turned the tide of the waragainstthe North?

history


Which of the following is a negative right?

political_science


Whenn= 2 andr= 1, are the data significant? Explain.

mathematics


A hot-air balloon rises from ground level at a constant velocity of 3.0 m/s. One minute after liftoff, a sandbag is dropped accidentally from the balloon. Calculate (a) the time it takes for the sandbag to reach the ground and (b) the velocity of the sandbag when it hits the ground.

physics


Are all adults who do not hold jobs counted as unemployed?

economics


A steadily rolling ball is pushed in the direction from east to west, which causes the ball to move faster in the same direction. What is the direction of the acceleration?

physics


LO11.3Why do businesses consider time value of money before making an investment decision?

business


Which of the following Supreme Court cases held that a naturally occurring DNA segment CANNOT be patented?    A. _Mayo Collaborative Services v. Prometheus Labs., Inc._   B. _Association for Molecular Pathology v. Myriad Genetics, Inc._   C. _Nautilus, Inc. v. Biosig Instruments, Inc._

business


How is the “similarity” between two marks in a trademark infringement case determined?    A. By examining each individual component of a mark and seeing if another mark uses individual components that are similar.   B. By examining the totality of the two marks as seen and experienced by the consumer in the context of the goods or services on which they are used and seeing if they are similar enough to cause confusion or deception.

business


According to the concept of the power elite, why would a celebrity commit a crime?

sociology


How did early copyrights evolve from business monopolies into instruments of censorship and surveillance?    A. Bookstores sent the authorities records of who purchased what books.   B. Books had to be read and approved by a censor before a permit was granted to print the book.

business


The insulated cylinder shown below is closed at both ends and contains an insulating piston that is free to move on frictionless bearings. The piston divides the chamber into two compartments containing gases A and B. Originally, each compartment has a volume of 5.0\ \times \ 10^{-2}{\ \text{m}}^{3} and contains a monatomic ideal gas at a temperature of 0\ \text{°}\text{C} and a pressure of 1.0 atm. (a) How many moles of gas are in each compartment? (b) Heat Q is slowly added to A so that it expands and B is compressed until the pressure of both gases is 3.0 atm. Use the fact that the compression of B is adiabatic to determine the final volume of both gases. (c) What are their final temperatures? (d) What is the value of Q?

physics


Which event takes place during the seventh week of development?

biology


Dehydration synthesis leads to formation of

biology


[LO 14.1](14-1-explain-the-process-of-securing-equity-financing-through-the- issuance-of-stock) Which of the following is not one of the five primary responsibilities of the Securities and Exchange Commission (the SEC)?    A. inform and protect investors   B. regulate securities law   C. facilitate capital formation   D. assure that dividends are paid by corporations

business


For annuities with a present value of$1$1million, calculate the annual payouts given over2525years assuming interest rates of1%,5%,and10%.1%,5%,and10%.

mathematics


On a hot day, the temperature of an 80,000-L swimming pool increases by 1\text{.}\text{50ºC} . What is the net heat transfer during this heating? Ignore any complications, such as loss of water by evaporation.

physics


[LO 9.4](9-4-describe-the-effects-of-various-decisions-on-performance- evaluation-of-responsibility-centers) Costs that a company or manager can influence are called ________.    A. discretionary costs   B. fixed costs   C. variable costs   D. controllable costs

business


LO4.4What is the difference between the trial balance and the adjusted trial balance?

business


Solve the system of equations by graphing.{y=3x+16xây=2

mathematics


The nurse is educating a 14-year-old female adolescent with CKD and her parents about nutrition. Which recommended daily intake for iron should the nurse teach the adolescent and her parents?

nursing


What is a primary emotion connected with wanting to overcome an obstacle?

psychology


mathematics


Outline your background and training, and then discuss the importance of connecting your background and training with a potential entrepreneurial pathway.

business


LO14.4What types of transactions reduce ownerâs equity? What types of transactions reduce retained earnings? What do they have in common?

business


The short run aggregate supply curve was constructed assuming that as the price of outputs increases, the price of inputs stays the same. How would an increase in the prices of important inputs, like energy, affect aggregate supply?

economics


In a quasi-static isobaric expansion, 500 J of work are done by the gas. If the gas pressure is 0.80 atm, what is the fractional increase in the volume of the gas, assuming it was originally at 20.0 L?

physics


Where did the Protestant Reformation begin?    A. Northern Europe   B. Spain   C. England   D. the American colonies

history


Write a list of criteria to judge the Willy raps.

general


Using only the periodic table, write the complete electron configuration for silicon, including any empty orbitals in the valence shell. You may wish to review the chapter on electronic structure.

chemistry


What are the standard units for centripetal acceleration?

physics


Special interests do not oppose regulations in all cases. The Marketplace Fairness Act of 2013 would require online merchants to collect sales taxes from their customers in other states. Why might a large online retailer like Amazon.com support such a measure?

economics


What would be a sign of a shortage in financial markets?

economics


[LO 5.2](5-2-prepare-a-post-closing-trial-balance) Which of these accounts is included in the post-closing trial balance?    A. Sales Revenue   B. Salaries Expense   C. Retained Earnings   D. Dividends

business


When a charge is placed on a metal sphere, it ends up in equilibrium at the outer surface. Use this information to determine the electric field of + 3.0\ \mu\text{C} charge put on a 5.0-cm aluminum spherical ball at the following two points in space: (a) a point 1.0 cm from the center of the ball (an inside point) and (b) a point 10 cm from the center of the ball (an outside point).

physics


Revise how to complete a complex task in order to improve the outcome.

general


Which type of bacterium produces an A-B toxin?    A. _Salmonella_   B. _Vibrio cholera_   C. ETEC   D. _Shigella dysenteriae_

biology


Adam Smith rejected mercantilism and proposed ________.

political_science


Evaluate the role of nutrition and sleep in supporting healthy physical and cognitive development during adolescence. How do poor nutrition and insufficient sleep impact adolescentsâ growth and academic performance?

psychology


When faced with a sudden drop in environmental temperature, an endothermic animal will ________.

biology


In a damped oscillating circuit the energy is dissipated in the resistor. The _Q_ -factor is a measure of the persistence of the oscillator against the dissipative loss. (a) Prove that for a lightly damped circuit the energy, _U_ , in the circuit decreases according to the following equation. \frac{dU}{dt} = -2\beta U, where \beta = \frac{R}{2L}. (b) Using the definition of the _Q_ -factor as energy divided by the loss over the next cycle, prove that _Q_ -factor of a lightly damped oscillator as defined in this problem is  Q \equiv \frac{U_{\text{begin}}}{\text{Δ}U_{\text{one cycle}}} = \frac{1}{2\pi R}\sqrt{\frac{L}{C}}. ( _Hint:_ For (b), to obtain _Q_ , divide _E_ at the beginning of one cycle by the change \text{Δ}E over the next cycle.)

physics


Fluid intelligence is characterized by ________.

psychology


mathematics


In an expansion of gas, 500 J of work are done by the gas. If the internal energy of the gas increased by 80 J in the expansion, how much heat does the gas absorb?

physics


Why is the concept of hybridization required in valence bond theory?

chemistry


What do the growth accounting studies conclude are the determinants of growth? Which is more important, the determinants or how they are combined?

economics


A half-full recycling bin has mass 3.0 kg and is pushed up a 40.0\text{°} incline with constant speed under the action of a 26-N force acting up and parallel to the incline. The incline has friction. What magnitude force must act up and parallel to the incline for the bin to move down the incline at constant velocity?

physics


A client has been prescribed an oral medication that is supplied as a large unscored caplet. The client refuses to take the medication with the statement, âI cannot swallow such a large pill.â What is the nurseâsbestaction?

nursing


general


What are the IUPAC names of the following compounds? (a) manganese dioxide (b) mercurous chloride (Hg2Cl2) (c) ferric nitrate [Fe(NO3)3] (d) titanium tetrachloride (e) cupric bromide (CuBr2)

chemistry


A thin, nonconducting disk of radius _R_ is free to rotate around the axis that passes through its center and is perpendicular to the face of the disk. The disk is charged uniformly with a total charge _q_ . If the disk rotates at a constant angular velocity \omega, what is the magnetic field at its center?

physics


Balance the equations below assuming they occur in a basic solution. (a)SO32â(aq)+Cu(OH)2(s)â¶SO42â(aq)+Cu(OH)(s)SO32â(aq)+Cu(OH)2(s)â¶SO42â(aq)+Cu(OH)(s) (b)O2(g)+Mn(OH)2(s)â¶MnO2(s)O2(g)+Mn(OH)2(s)â¶MnO2(s) (c)NO3â(aq)+H2(g)â¶NO(g)NO3â(aq)+H2(g)â¶NO(g) (d)Al(s)+CrO42â(aq)â¶Al(OH)3(s)+Cr(OH)4â(aq)Al(s)+CrO42â(aq)â¶Al(OH)3(s)+Cr(OH)4â(aq)

chemistry


computer_science


The good genes hypothesis is a theory that explains what?

biology


Is a uniform-temperature gas more or less orderly than one with several different temperatures? Which is more structured? In which can heat transfer result in work done without heat transfer from another system?

physics


Find a unit vector in the same direction as ** v. v. **

mathematics


What is the advantage of a colliding-beam accelerator over one that fires particles into a fixed target?

physics


In a refrigerator, what is the function of an evaporator?

physics


Explain the difference between a proto-oncogene and a tumor suppressor gene.

biology


Considering how a long bone develops, what are the similarities and differences between a primary and a secondary ossification center?

biology


mathematics


A 55-kg woman has 7.5ÃÃ10â3mol of hemoglobin (molar mass = 64,456 g/mol) in her blood. How many hemoglobin molecules is this? What is this quantity in grams?

chemistry


Which of the following has two unpaired electrons? (a) Mg (b) Si (c) S (d) Both Mg and S (e) Both Si and S.

chemistry


Transcribe and translate the following DNA sequence (nontemplate strand): 5'-ATGGCCGGTTATTAAGCA-3'

biology


A solution of potassium nitrate, an electrolyte, and a solution of glycerin (C3H5(OH)3), a nonelectrolyte, both boil at 100.3 Â°C. What other physical properties of the two solutions are identical?

chemistry


In agriculture, polyploid crops (like coffee, strawberries, or bananas) tend to produce ________.

biology


Explain why it is not possible to add a scalar to a vector.

physics


Which of the following is the name of the three-base sequence in the mRNA that binds to a tRNA molecule?    A. P site   B. codon   C. anticodon   D. CCA binding site

biology


A microbiologist is testing a water sample for E-coli. Suppose the null hypothesis,H0, is: the sample does not contain E-coli. The probability that the sample does not contain E-coli, but the microbiologist thinks it does is 0.012. The probability that the sample does contain E-coli, but the microbiologist thinks it does not is 0.002. What is the power of this test?

mathematics


A compound containing zinc, aluminum, and sulfur crystallizes with a closest-packed array of sulfide ions. Zinc ions are found in one-eighth of the tetrahedral holes and aluminum ions in one-half of the octahedral holes. What is the empirical formula of the compound?

chemistry


[LO 8.4](8-4-define-the-purpose-and-use-of-a-petty-cash-fund-and-prepare- petty-cash-journal-entries) [LO 8.5](8-5-discuss-management-responsibilities- for-maintaining-internal-controls-within-an-organization) Is it required to have only one petty cashier or should the company appoint more than one person to administer the fund? Why?

business


The weight of an object above the surface of the earth varies inversely with the square of the distance from the center of the earth. If a person weighs 150 pounds when he is on the surface of the earth (3,960 miles from center), find the weight of the person if he is 20 miles above the surface.

mathematics


We believe that chains of comet fragments like Comet Shoemaker-Levy 9âs have collided not only with the jovian planets, but occasionally with their moons. What sort of features would you look for on the outer planet moons to find evidence of such collisions? (As an extra bonus, can you find any images of such features on a moon like Callisto? You can use an online site of planetary images, such as thePlanetary Photojournal, at photojournal.jpl.nasa.gov.)

astronomy


Plus and minus signs are used in one-dimensional motion to indicate direction. What is the sign of an acceleration that reduces the magnitude of a negative velocity? Of a positive velocity?

physics


Many figures in the text show streamlines. Explain why fluid velocity is greatest where streamlines are closest together. (Hint: Consider the relationship between fluid velocity and the cross-sectional area through which it flows.)

physics


An example of a primary data source are ________.

computer_science


What are advantages and disadvantages of apparent solar time? How is the situation improved by introducing mean solar time and standard time?

astronomy


general


True or false? If environmental harm is discovered, the business entity causing it is frequently held liable by both the government and the victims of the harm in separate proceedings.

business


When a 3.0-kg block is pushed against a massless spring of force constant 4.5\ \times \ 10^{3}\ \text{N/m,} the spring is compressed 8.0 cm. The block is released, and it slides 2.0 m (from the point at which it is released) across a horizontal surface before friction stops it. What is the coefficient of kinetic friction between the block and the surface?

physics


mathematics


Explain why converging economies may present a strong argument for limiting flows of capital but not for limiting trade.

economics


What type of cells produce the mucus for the mucous membranes?    A. goblet cells   B. macrophages   C. phagocytes   D. ciliated epithelial cells

biology


A roller coaster car starts from rest at the top of a track 30.0 m long and inclined at 20.0\text{°} to the horizontal. Assume that friction can be ignored. (a) What is the acceleration of the car? (b) How much time elapses before it reaches the bottom of the track?

physics


Which of the following are structural features of the trachea?

biology


Which polysaccharide is usually found in the cell wall of fungi?

biology


Which of the following diseases is caused by a spirochete?    A. tularemia   B. relapsing fever   C. rheumatic fever   D. Rocky Mountain spotted fever

biology


\underset{x\rightarrow 4}{\text{lim}}\frac{4 - x}{\sqrt{x} - 2}

mathematics


What are some steps the government can take to encourage research and development?

economics


A population has a mean of 38 and a standard deviation of 3. If it is sampled repeatedly with samples of size 48, what is the expected value and standard deviation of the sample means?

business


Where and how do you get your news? Do you watch network television? Read the newspaper? Go online? How about your parents or grandparents? Do you think it matters where you seek out information? Why, or why not?

sociology


A picture frame is 42 inches wide. Convert the width to feet.

mathematics


y = 3x^{2} - 2x + 1 over \left\lbrack {-1,1} \right\rbrack

mathematics


Describe the structures that provide direct and indirect support for a synovial joint.

biology


A computer systems engineer could paint her house, but it makes more sense for her to hire a painter to do it. Explain why.

economics


The nurse is caring for a client who is receiving a blood transfusion. During the transfusion, the client develops itching, hives, and shortness of breath. The nurse recognizes that these symptoms are most likely indicative of which of the following?

nursing


How soon after drinking a large glass of water will a person start increasing their urine output?

biology


mathematics


Consider the circuit shown below. The terminal voltages of the batteries are shown. (a) Find the equivalent resistance of the circuit and the current out of the battery. (b) Find the current through each resistor. (c) Find the potential drop across each resistor. (d) Find the power dissipated by each resistor. (e) Find the total power supplied by the batteries.

physics


Why might drinking a large volume of water make you feel temporarily full?

psychology


Choose a character. Rewrite a scene from the story from this character's point of view.

general


Find the slope of the line shown in the graph.

mathematics


Radiotherapy is more likely to be used to treat cancer in elderly patients than in young ones. Explain why. Why is radiotherapy used to treat young people at all?

physics


The __________ blot technique is used to find an RNA fragment within a sample that is complementary to a DNA probe.

biology


Find the Lorentz factor \gamma and de Broglie’s wavelength for a 1.0-TeV proton in a particle accelerator.

physics


Describe the key steps involved in the process of predictive analytics and forecasting, highlighting the main considerations and challenges that organizations face when implementing these techniques.

computer_science


Consider the circuit shown below. What is the energy stored in each capacitor after the switch has been closed for a very long time?

physics


When updating the Todo web application using Bootstrap with React and Django, explain how React and Django are used.

computer_science


Write Lewis structures for the following molecules or ions: (a) SbH3 (b) XeF2 (c) Se8(a cyclic molecule with a ring of eight Se atoms)

chemistry


Which of the following best describes sexual dimorphism?

psychology


Which plant part is responsible for transporting water, minerals, and sugars to different parts of the plant? Name the two types of tissue that make up this overall tissue, and explain the role of each.

biology


LO8.6What should be done if differences are found between the bank statement and the book account?

business


(a) If the electric flux through a closed surface is zero, is the electric field necessarily zero at all points on the surface? (b) What is the net charge inside the surface?

physics


Draw a free body diagram to show how a diver gains angular momentum when leaving the diving board.

physics


Are individual states allowed to have laws protecting LGBTQ applicant or employee rights? Yes, but it is not really necessary because federal law already protects them.No, because it would violate federal law, which prohibits it.Yes, some states extend this protection because there is no law at the federal level.No, because the Supreme Court ruling inObergefell v. Hodgesnow protects these rights.

business


[LO 15.4](15-4-prepare-journal-entries-to-record-the-admission-and-withdrawal- of-a-partner) Thandie and Marco are partners with capital balances of $60,000. They share profits and losses at 50% each. Chris contributes $30,000 to the partnership for a 1/3 share. What amount should the partnership record as a bonus to Chris?    A. $20,000   B. $15,000   C. $10.500   D. $5,000

business


What is the advantage of a heat pump as opposed to burning fuel (as in a fireplace) for keeping warm?

physics


A mountain biker takes a jump in a race and goes airborne. The mountain bike is travelling at 10.0 m/s before it goes airborne. If the mass of the front wheel on the bike is 750 g and has radius 35 cm, what is the angular momentum of the spinning wheel in the air the moment the bike leaves the ground?

physics


Compare the structure and function of xylem to that of phloem.

biology


The nurse is aware that a combination medication of an antidepressant and an opioid antagonist may be prescribed for weight loss. Which medication is it?

nursing


How would you expect immigration by primarily low-skill workers to affect American low-skilled workers?

economics


Explain three lines of evidence that argue against the validity of astrology.

astronomy


During the civil rights movement, Rosa Parks and other Black protestors spoke out against segregation by refusing to sit at the back of the bus. This is an example of ________.

sociology


general


psychology


Write an exponential model representing the amount of the drug remaining in the patient’s system after t hours. Then use the formula to find the amount of the drug that would remain in the patient’s system after 24 hours. Round to the nearest hundredth of a gram.

mathematics


Atmospheric pressure exerts a large force (equal to the weight of the atmosphere above your bodyâabout 10 tons) on the top of your body when you are lying on the beach sunbathing. Why are you able to get up?

physics


The primary reason small-business entrepreneurs might want to hire mostly contract labor is that ________.    A. the cost of fringe benefits is reduced   B. only contract workers can be part-time but employees must be full-time   C. only employees can file workers compensation claims   D. it improves the company’s stock price

business


Paulette has \text{\$140} in \text{\$5} and \text{\$10} bills. The number of \text{\$10} bills is one less than twice the number of \text{\$5} bills. How many of each does she have?

mathematics


Why should a poll be scientific rather than informal?

political_science


mathematics


In one sentence illustrate the main point of a written passage.

general


Find the greatest common divisor of 80 and 340.

mathematics


Which of the following uses a particularly dense suite of tight junctions to prevent microbes from entering the underlying tissue?    A. the mucociliary escalator   B. the epidermis   C. the blood-brain barrier   D. the urethra

biology


(a) What magnitude point charge creates a 10,000 N/C electric field at a distance of 0.250 m? (b) How large is the field at 10.0 m?

physics


Heated lithium atoms emit photons of light with an energy of 2.961ÃÃ10â19J. Calculate the frequency and wavelength of one of these photons. What is the total energy in 1 mole of these photons? What is the color of the emitted light?

chemistry


Maternal immune activation is associated with:

psychology


One major target of mitral cells is the ________ or olfactory cortex.

psychology


You are considering purchasing shares in a company that has a beta of 0.8. Explain what this beta means.

business


By what minimum amount should frequencies vary for humans to be able to distinguish two separate sounds?

physics


We are interested in finding the 95% confidence interval for the percent of executives who prefer trucks. Define random variablesXandPâ² in words.

mathematics


What metaphysical approach is advanced by the Samkhya school of philosophy?

philosophy


Ty is three years old and as a result of a âstomach bugâ has been vomiting for about 24 hours. His blood pH is 7.48. What does this mean?

biology


How do the shareholders who own a company choose the actual company managers?

economics


Cushingâs disease is a disorder caused by ________.

biology


The Social Security Act borrowed some ideas from which of the following? the Townsend Planthe Division of Negro Affairsthe Education Trustthe NIRA

history


Is programming a single core or multicore easier? Why?

computer_science


mathematics


Which minerals should the nurse instruct parents to include in the diet of preschool-aged children for the development of healthy bones and teeth?

nursing


Why is selecting an accountant a critical decision?

business


To whom does the elapsed time for a process seem to be longer, an observer moving relative to the process or an observer moving with the process? Which observer measures proper time?

physics


How can the Crab Nebula shine with the energy of something like 100,000 Suns when the star that formed the nebula exploded almost 1000 years ago? Who âpays the billsâ for much of the radiation we see coming from the nebula?

astronomy


Construct the probability distribution function (PDF). xP(x)Table4.29

mathematics


Consider an ecosystem where all the fungi not involved in mycorrhizae are eliminated. How would this affect nitrogen intake by plants?

biology


A diet rich in flavonoids, which are found in tea, red wine, certain fruits, and vegetables is often recommended in neurodegenerative conditions, due to which of the following benefit of flavonoids?

nursing


Among the substances that react with oxygen and that have been considered as potential rocket fuels are diborane [B2H6, produces B2O3(s) and H2O(g)], methane [CH4, produces CO2(g) and H2O(g)], and hydrazine [N2H4, produces N2(g) and H2O(g)]. On the basis of the heat released by 1.00 g of each substance in its reaction with oxygen, which of these compounds offers the best possibility as a rocket fuel? TheÎHfÂ°ÎHfÂ°of B2H6(g), CH4(g), and N2H4(l) may be found inAppendix G.

chemistry


What is the minimum frequency of a photon required to ionize: (a) a \text{He}^{+} ion in its ground state? (b) A \text{Li}^{\text{2+}} ion in its first excited state?

physics


How many molecules of the sweetener saccharin can be prepared from 30 C atoms, 25 H atoms, 12 O atoms, 8 S atoms, and 14 N atoms?

chemistry


If the electric field lines in the figure above were perpendicular to the object, would it necessarily be a conductor? Explain.

physics


The rows inTable 12.7show three market-oriented tools for reducing pollution. The columns of the table show three complaints about command-and-control regulation. Fill in the table by stating briefly how each market-oriented tool addresses each of the three concerns. Incentives to Go BeyondFlexibility about Where and How Pollution Will Be ReducedPolitical Process Creates Loopholes and ExceptionsPollution ChargesMarketable PermitsProperty RightsTable12.7

economics


Write Lewis structures and IUPAC names for the alkyne isomers of C4H6.

chemistry


Consider the graph in the figure as shown below. a.Is the trend curve generally increasing, decreasing, or staying level over the entire time period? b.The data setUSATemps1961-2023.csvcontains the time series from which the graph was created. Find the moving average trendline with period 10 for the data.Figure 5.20

computer_science


Why are communications protocols part of the network?

computer_science


Indicate whether the following processes are spontaneous or nonspontaneous. (a) Liquid water freezing at a temperature below its freezing point (b) Liquid water freezing at a temperature above its freezing point (c) The combustion of gasoline (d) A ball thrown into the air (e) A raindrop falling to the ground (f) Iron rusting in a moist atmosphere

chemistry


What is the name for what occurs when a supervisor offers a work-related reward in exchange for a sexual favor?

psychology


Calculate the effective resistance of a pocket calculator that has a 1.35-V battery and through which 0.200 mA flows.

physics


mathematics


Calcium propionate is sometimes added to bread to retard spoilage. This compound can be prepared by the reaction of calcium carbonate, CaCO3, with propionic acid, C2H5CO2H, which has properties similar to those of acetic acid. Write the balanced equation for the formation of calcium propionate.

chemistry


Write the Lewis structures of the reactants and product of each of the following equations, and identify the Lewis acid and the Lewis base in each: (a)CS2+SHââ¶HCS3âCS2+SHââ¶HCS3â (b)BF3+Fââ¶BF4âBF3+Fââ¶BF4â (c)Iâ+SnI2â¶SnI3âIâ+SnI2â¶SnI3â (d)Al(OH)3+OHââ¶Al(OH)4âAl(OH)3+OHââ¶Al(OH)4â (e)Fâ+SO3â¶SFO3âFâ+SO3â¶SFO3â

chemistry


Define the ligaments of the vertebral column.

biology


Explain why people who have the lens of their eye removed because of cataracts are able to see low-frequency ultraviolet.

physics


Compare 1 mole of H2, 1 mole of O2, and 1 mole of F2. (a) Which has the largest number of molecules? Explain why. (b) Which has the greatest mass? Explain why.

chemistry


Complete the changes in concentrations for each of the following reactions: (a)AgI(s)â¶Ag+(aq)+Iâ(aq)x_____AgI(s)â¶Ag+(aq)+Iâ(aq)x_____ (b)CaCO3(s)â¶Ca2+(aq)+CO32â(aq)____xCaCO3(s)â¶Ca2+(aq)+CO32â(aq)____x (c)Mg(OH)2(s)â¶Mg2+(aq)+2OHâ(aq)x_____Mg(OH)2(s)â¶Mg2+(aq)+2OHâ(aq)x_____ (d)Mg3(PO4)2(s)â¶3Mg2+(aq)+2PO43â(aq)x_____Mg3(PO4)2(s)â¶3Mg2+(aq)+2PO43â(aq)x_____ (e)Ca5(PO4)3OH(s)â¶5Ca2+(aq)+3PO43â(aq)+OHâ(aq)__________xCa5(PO4)3OH(s)â¶5Ca2+(aq)+3PO43â(aq)+OHâ(aq)__________x

chemistry


Which of the following is an example of an auditory signal?

psychology


________ describes the process of assessing and updating our own actions to evaluate their effectiveness in achieving goals.

psychology


Outline in your own words how the Leggo's Tomato Paste advertisement sells their product.

general


True or false? Individualism was the greatest value in Confucian ethics.

business


What is the pressure drop due to the Bernoulli Effect as water goes into a 3.00-cm-diameter nozzle from a 9.00-cm-diameter fire hose while carrying a flow of 40.0 L/s? (b) To what maximum height above the nozzle can this water rise? (The actual height will be significantly smaller due to air resistance.)

physics


biology


Find the exact solution for - 5e^{- 4x - 1} - 4 = . If there is no solution, write _no solution_ .

mathematics


Which of the following would be a T-dependent antigen?    A. lipopolysaccharide   B. glycolipid   C. protein   D. carbohydrate

biology


Explain how quartiles can be used to detect outliers in a data set.

business


Which of the following bacterial species is classified as high G+C gram- positive?    A. _Corynebacterium diphtheriae_   B. _Staphylococcus aureus_   C. _Bacillus anthracis_   D. _Streptococcus pneumonia_

biology


mathematics


Which of the following cells is important in the innate immune response?

biology


Suppose a new primitive meteorite is discovered (sometime after it falls in a field of soybeans) and analysis reveals that it contains a trace of amino acids, all of which show the same rotational symmetry (unlike the Murchison meteorite). What might you conclude from this finding?

astronomy


A 0.22LR-caliber bullet like that mentioned in [Example 7.10](7-3-work-energy- theorem) is fired into a door made of a single thickness of 1-inch pine boards. How fast would the bullet be traveling after it penetrated through the door?

physics


Great Britainâs healthcare system is an example of ______________

sociology


The blue-collar workers who Nixon called âthe silent majorityâ ________. fled to the suburbs to avoid integrationwanted to replace existing social institutions with cooperativesopposed the war in Vietnambelieved their opinions were overlooked in the political process

history


[LO 14.4](14-4-compare-and-contrast-owners-equity-versus-retained-earnings) Sometimes financial statements contain errors. What type of liabilities may need correction as a prior period adjustment?

business


general


**Accident investigation** An accident investigator measured the skid marks of one of the vehicles involved in an accident. The length of the skid marks was 175 feet. Use the formula s = \sqrt{24d} to find the speed of the vehicle before the brakes were applied. Round your answer to the nearest tenth.

mathematics


Find the amount (percent of one gram) of carbon-14 lasting less than 5,730 years. This means, findP(x< 5,730).

mathematics


Explain the requirements a work needs to meet to gain copyright protection.

computer_science


What is your understanding of monotheism versus polytheism? How might your ideology be an obstacle to understanding the theism of another religion youâre unfamiliar with?

sociology


Ethics is an important part of responsible computing. Assume that you have been hired as an ethicist to advise your organizationâs cybersecurity professionals. What issues will you cover with them, and how will you apply responsible computing pillars to the organization's efforts to be ethical?

computer_science


True or False: Newton's second law can be interpreted based on Newton's first law.

physics


What is the difference between fluorescence and phosphorescence?

physics


Mount Everest, at 29,028 ft, is the tallest mountain on Earth. What is its height in kilometers? (Assume that 1 m = 3.281 ft.)

physics


Balance each of the following equations according to the half-reaction method: (a) \text{MnO}_{4}{}^{\text{−}}(aq) + \text{NO}_{2}{}^{\text{−}}(aq)\ \longrightarrow\ \text{MnO}_{2}(s) + \text{NO}_{3}{}^{\text{−}}(aq)\ \text{(in base)} (b) \text{MnO}_{4}{}^{2-}(aq)\ \longrightarrow\ \text{MnO}_{4}{}^{\text{−}}(aq) + \text{MnO}_{2}(s)\ \text{(in base)} (c) \text{Br}_{2}(l) + \text{SO}_{2}(g)\ \longrightarrow\ \text{Br}^{\text{−}}(aq) + \text{SO}_{4}{}^{2-}(aq)\ \text{(in acid)}

chemistry


The dean of a university located near the ocean (who was not a science major in college) proposes building an infrared telescope right on campus and operating it in a nice heated dome so that astronomers will be comfortable on cold winter nights. Criticize this proposal, giving your reasoning.

astronomy


Compare and contrast food chains and food webs. What are the strengths of each concept in describing ecosystems?

biology


mathematics


What are some benefits of experimental analysis over asymptotic analysis?

computer_science


Explain why light is referred to as electromagnetic radiation.

astronomy


A shelf holds 12 books. Eight are fiction and the rest are nonfiction. Each is a different book with a unique title. The fiction books are numbered one to eight. The nonfiction books are numbered one to four. Randomly select one bookLetF= event that book is fictionLetN= event that book is nonfictionWhat is the sample space?

mathematics


A nurse is completing their eighth 12-hour shift in a row. Which item from the ANA Code of Ethics is the nurse at risk of violating?

nursing


A precision laboratory resistor is made of a coil of wire 1.50 cm in diameter and 4.00 cm long, and it has 500 turns. (a) What is its self-inductance? (b) What average emf is induced if the 12.0 A current through it is turned on in 5.00 ms (one-fourth of a cycle for 50 Hz AC)? (c) What is its inductance if it is shortened to half its length and counter-wound (two layers of 250 turns in opposite directions)?

physics


Can you please analyze modern contemporary culture and tell me how your work plays a significant part in the remains of our post-modernist culture ?

general


[LO 15.5](15-5-discuss-and-record-entries-for-the-dissolution-of-a- partnership) Coffee Partners decides to close due to the increased competition from the national chains. If after liquidating the noncash assets there is not enough cash to cover accounts payable, what happens?

business


The hardness of water (hardness count) is usually expressed in parts per million (by mass) of CaCO3, which is equivalent to milligrams of CaCO3per liter of water. What is the molar concentration of Ca2+ions in a water sample with a hardness count of 175 mg CaCO3/L?

chemistry


Which of the following is the correct order of prenatal development?

psychology


A blanket from a child with chickenpox is likely to be contaminated with the virus that causes chickenpox (Varicella-zoster virus). What is the blanket called?    A. fomite   B. host   C. pathogen   D. vector

biology


What accounted for the relative weakness of the federal government during this era?

history


Calculate the standard cell potential for each reaction below, and note whether the reaction is spontaneous under standard state conditions. (a)Mn(s)+Ni2+(aq)â¶Mn2+(aq)+Ni(s)Mn(s)+Ni2+(aq)â¶Mn2+(aq)+Ni(s) (b)3Cu2+(aq)+2Al(s)â¶2Al3+(aq)+3Cu(s)3Cu2+(aq)+2Al(s)â¶2Al3+(aq)+3Cu(s) (c)Na(s)+LiNO3(aq)â¶NaNO3(aq)+Li(s)Na(s)+LiNO3(aq)â¶NaNO3(aq)+Li(s) (d)Ca(NO3)2(aq)+Ba(s)â¶Ba(NO3)2(aq)+Ca(s)Ca(NO3)2(aq)+Ba(s)â¶Ba(NO3)2(aq)+Ca(s)

chemistry


Calculate the percent by mass of KBr in a saturated solution of KBr in water at 10 °C. See [Figure 11.16](11-3-solubility) for useful data, and report the computed percentage to one significant digit.

chemistry


general


Which planet has the strongest magnetic field, and hence the largest magnetosphere? What is its source?

astronomy


The lymph reenters the vascular circulation at ________.

biology


Which laboratory findings would indicate to the nurse that a client has hypoparathyroidism?

nursing


How can one justify Parmenidesâs claim that the world is unchanging?

philosophy


mathematics


Discuss the interaction between genetic and environmental factors in shaping personality and behavior. How do nature and nurture work together to influence who we are? Include a discussion on epigenetics and how it plays a role in this interaction. Provide examples from the text to illustrate your points.

psychology


The process in which antibodies attach to antigens, causing the formation of masses of linked cells, is called ________.

biology


What adaptations do plants have that allow them to survive on land?

biology


What are the structural and functional differences between a tarsal and a metatarsal?

biology


LaVelle is making a pitcher of caffe mocha. For each ounce of chocolate syrup, she uses five ounces of coffee. How many ounces of chocolate syrup and how many ounces of coffee does she need to make 48 ounces of caffe mocha?

mathematics


(a) An MRI technician moves his hand from a region of very low magnetic field strength into an MRI scanner’s 2.00 T field with his fingers pointing in the direction of the field. Find the average emf induced in his wedding ring, given its diameter is 2.20 cm and assuming it takes 0.250 s to move it into the field. (b) Discuss whether this current would significantly change the temperature of the ring.

physics


Does intra-industry trade contradict the theory of comparative advantage?

economics


In this figure, iff1represents the parent body, which set of statements holds true?

physics


Consider the concept of subjective poverty. Does it make sense that poverty is in the eye of the beholder? When you see a person who is homeless, is your reaction different if he or she is seemingly content versus begging? Why?

sociology


Which of the following is the potential effect of trimethoprim and sulfamethoxazole on potassium levels in a client?

nursing


(a) What is the density of a woman who floats in freshwater with 4.00\% of her volume above the surface? This could be measured by placing her in a tank with marks on the side to measure how much water she displaces when floating and when held under water (briefly). (b) What percent of her volume is above the surface when she floats in seawater?

physics


Assuming that no equilibria other than dissolution are involved, calculate the concentrations of ions in a saturated solution of each of the following (seeAppendix Jfor solubility products): (a) AgI (b) Ag2SO4 (c) Mn(OH)2 (d) Sr(OH)2Â·8H2O (e) the mineral brucite, Mg(OH)2

chemistry


How could researchers determine if given areas of the brain are involved in the regulation of sleep?

psychology


Construct a family of networks to demonstrate that the number of different mincuts in a network can be exponential in the size of the network

general


Find the missing angle: \cos\left( \frac{\pi}{6} \right) = \sin\left( \operatorname{\\_\\_\\_} \right)

mathematics


Find the length of the missing side. Round to the nearest tenth, if necessary.

mathematics


The founders of the Plymouth colony were:    A. Puritans   B. Catholics   C. Anglicans   D. Jesuits

history


The parallelepiped formed bya=â©1,4,1âªandb=â©3,6,2âª,a=â©1,4,1âªandb=â©3,6,2âª,andc=â©â2,1,â5âªc=â©â2,1,â5âª

mathematics


For the polynomial 8y^{4} - 3y^{2} + 1 ⓐ Is it a monomial, binomial, or trinomial? ⓑ What is its degree?

mathematics


One ounce of tofu provides 2 grams of protein. How many milligrams of protein are provided by 5 ounces of tofu?

mathematics


Consider the decomposition of red mercury(II) oxide under standard state conditions.2HgO(s,red)â¶2Hg(l)+O2(g)2HgO(s,red)â¶2Hg(l)+O2(g) (a) Is the decomposition spontaneous under standard state conditions? (b) Above what temperature does the reaction become spontaneous?

chemistry


If a usury law limits interest rates to no more than 35%, what would the likely impact be on the amount of loans made and interest rates paid?

economics


Microglia come from this early embryonic structure: ________.

psychology


LO12.3What are the two FASB required conditions for a contingent liability to be recognized?

business


Consider a sound wave modeled with the equation s\left( {x,t} \right) = 4.00\ \text{nm}   \ \text{cos}\left( {3.66\ \text{m}^{-1}\ x - 1256\ \text{s}^{-1}t} \right). What is the maximum displacement, the wavelength, the frequency, and the speed of the sound wave?

physics


Maintaining trust between stakeholders and organizations is ________. the stakeholderâs responsibilityan ethical minimuman ethical maximuma social contract

business


Translate to an algebraic expression and simplify: ⓐ eleven less than negative eight ⓑ the difference of -8 and -3 , increased by 5

mathematics


True or false? Entrepreneurs are usually motivated by the teamwork spirit.

business


Two baseball players, Fredo and Karl, on different teams wanted to find out who had the higher batting average when compared to his team. Which baseball player had the higher batting average when compared to his team? Baseball PlayerBatting AverageTeam Batting AverageTeam Standard DeviationFredo0.1580.1660.012Karl0.1770.1890.015Table2.58

mathematics


LO12.1On which financial statement are current liabilities reported?

business


Write a journal from the point of view of mountaineer.

general


Arrange the following according to their ability to act as radiation shields, with the best first and worst last. Explain your ordering in terms of how radiation loses its energy in matter. (a) A solid material with low density composed of low-mass atoms. (b) A gas composed of high-mass atoms. (c) A gas composed of low-mass atoms. (d) A solid with high density composed of high-mass atoms.

physics


mathematics


What might happen to your memory system if you sustained damage to your hippocampus?

psychology


Unreasonable Results (a) Find the value of \gamma for the following situation. An astronaut measures the length of her spaceship to be 25.0 m, while an Earth-bound observer measures it to be 100 m. (b) What is unreasonable about this result? (c) Which assumptions are unreasonable or inconsistent?

physics


An infant’s pulse rate is measured to be 130 ± 5 beats/min. What is the percent uncertainty in this measurement?

physics


Identify each of the following statements as being most similar to a hypothesis, a law, or a theory. Explain your reasoning. (a) Falling barometric pressure precedes the onset of bad weather. (b) All life on earth has evolved from a common, primitive organism through the process of natural selection. (c) My truckâs gas mileage has dropped significantly, probably because itâs due for a tune-up.

chemistry


Does it really help to run hot water over a tight metal lid on a glass jar before trying to open it? Explain your answer.

physics


What is the velocity of an electron that has a momentum of 3.04\ \times \ 10^{-21}\ \text{kg} \cdot \text{m/s} ? Note that you must calculate the velocity to at least four digits to see the difference from _c_ .

physics


If there is a fixed percent uncertainty in LASIK reshaping of the cornea, why would you expect those people with the greatest correction to have a poorer chance of normal distant vision after the procedure?

physics


Which order of molecular conversions is correct for the Calvin cycle?

biology


biology


The following structures are found on the underside of fern leaves and contain sporangia:

biology


LO6.7If a retailer purchased inventory in the amount of $680, terms 3/10, n/60, returned $120 of the inventory for a full refund, and received an allowance for $70, how much would the discount be if the retailer remitted payment within the discount window?

business


Why is radon more closely associated with inducing lung cancer than other types of cancer?

physics


Within an organism, phenotypes may change while genotypes remain constant.

biology


If you land on red, you donât get a prize. What isP(R)?

mathematics


A hydroelectric power facility (see [Figure 7.35](7-problems-exercises#import- auto-id1889215) ) converts the gravitational potential energy of water behind a dam to electric energy. (a) What is the gravitational potential energy relative to the generators of a lake of volume \text{50}\text{.}0\ k\text{m}^{3} ( {\text{mass} = 5}\text{.}{\text{00} \times \text{10}^{\text{13}}}\ \text{kg}) , given that the lake has an average height of 40.0 m above the generators? (b) Compare this with the energy stored in a 9-megaton fusion bomb.  Figure 7.35 Hydroelectric facility (credit: Denis Belevich, Wikimedia Commons)

physics


The brakes in a car increase in temperature byÎTÎTwhen bringing the car to rest from a speedvv. How much greater wouldÎTÎTbe if the car initially had twice the speed? You may assume the car to stop sufficiently fast so that no heat transfers out of the brakes.

physics


How do impacts by comets and asteroids influence Earthâs geology, its atmosphere, and the evolution of life?

astronomy


mathematics


Identify each of the following statements as being most similar to a hypothesis, a law, or a theory. Explain your reasoning. (a) The pressure of a sample of gas is directly proportional to the temperature of the gas. (b) Matter consists of tiny particles that can combine in specific ratios to form substances with specific properties. (c) At a higher temperature, solids (such as salt or sugar) will dissolve better in water.

chemistry


Axon bundles in the central nervous system are called ________ and in the peripheral nervous system are called ________.

psychology


The eclipsing binary Algol drops from maximum to minimum brightness in about 4 hours, remains at minimum brightness for 20 minutes, and then takes another 4 hours to return to maximum brightness. Assume that we view this system exactly edge-on, so that one star crosses directly in front of the other. Is one star much larger than the other, or are they fairly similar in size? (Hint: Refer to the diagrams of eclipsing binary light curves.)

astronomy


Which muscle type(s) (skeletal, smooth, or cardiac) can regenerate new muscle cells/fibers? Explain your answer.

biology


If a person scatters a handful of garden pea plant seeds in one area, how would natural selection work in this situation?

biology


What are some of the problems with using the unemployment rate as an accurate measure of overall joblessness?

economics


True or falseâit is possible to produce nonzero DC current by adding together AC currents.

physics


What type of stress are you applying when you press on the ends of a wooden rod? When you pull on its ends?

physics


If given the choice, would you purchase an unusual car such as a hearse for everyday use? How would your friends, family, or significant other react? Since deviance is culturally defined, most of the decisions we make are dependent on the reactions of others. Is there anything the people in your life encourage you to do that you donât? Why donât you?

sociology


Identify and explain the purpose of each of the three primary delivery models offered in cloud-based computing.

computer_science


[LO 7.4](7-4-prepare-a-subsidiary-ledger) Which special journals also require an entry to a subsidiary ledger?

business


What are the ways an agreement can be invalidated?    A. Fraud.   B. Misrepresentation.   C. Undue influence.   D. All of the above.

business


People with the CCR5Î32 mutation of a T-cell surface protein can be exposed to some strains of HIV-1 without becoming sick. What step of the virus life cycle is likely to be inhibited with this mutation?

biology


Which type of child abuse is most prevalent in the United States?    A. Physical abuse   B. Neglect   C. Shaken-baby syndrome   D. Verbal mistreatment

sociology


Show that the magnetic field of a thin wire and that of a current loop are zero if you are infinitely far away.

physics


Which situation would most likely lead to allopatric speciation?

biology


A typical barometric pressure in Denver, Colorado, is 615 mm Hg. What is this pressure in atmospheres and kilopascals?

chemistry


Is the sequence 0.3,\mspace{7mu} 1.2,\mspace{7mu} 2.1,\mspace{7mu} 3,\ldots arithmetic? If so find the common difference.

mathematics


What aspect of the blackbody spectrum forced Planck to propose quantization of energy levels in its atoms and molecules?

physics


Find two equal finite subsets of the set of natural numbers,N={1,2,3,â¦}, with a cardinality of 3.

mathematics


A sample of donations to a blood bank contained these blood types:AOAOAAABOOAABAOOAAOOBOBOOOBAOAOOAACreate a frequency distribution for these data.

mathematics


Describe at least two characteristics of the universe that are explained by the standard Big Bang model.

astronomy


Which of the following is the first step in triglyceride degradation?    A. removal of fatty acids   B. β-oxidation   C. breakage of fused rings   D. formation of smaller peptides

biology


Professional Application Tennis racquets have âsweet spots.â If the ball hits a sweet spot then the player's arm is not jarred as much as it would be otherwise. Explain why this is the case.

physics


Between 2006 and 2009, the greatest increases in stress levels were found to occur among ________.

psychology


What do we now understand to be the primary difference between normal galaxies and active galaxies?

astronomy


Identify the most accurate statement. A price floor will have the largest effect if it is set:    A. substantially above the equilibrium price   B. slightly above the equilibrium price   C. slightly below the equilibrium price   D. substantially below the equilibrium price  Sketch all four of these possibilities on a demand and supply diagram to illustrate your answer.

economics


Which is not a mechanism by which drugs are known to alter synaptic transmission?

psychology


If you have completely polarized light of intensity \text{150 W}{/\text{m}^{2}} , what will its intensity be after passing through a polarizing filter with its axis at an \text{89}\text{.}0º angle to the light’s polarization direction?

physics


Consider two spinning tops with different radii. Both have the same linear instantaneous velocities at their edges. Which top has a higher angular velocity?

physics


As 1 g of the radioactive element radium decays over 1 year, it produces 1.16ÃÃ1018alpha particles (helium nuclei). Each alpha particle becomes an atom of helium gas. What is the pressure in pascal of the helium gas produced if it occupies a volume of 125 mL at a temperature of 25 Â°C?

chemistry


Which type of simple machine is a knife?

physics


Alternative forms of a protein can be beneficial or harmful to a cell. What do you think would happen if too much of an alternative protein bound to the 3' UTR of an RNA and caused it to degrade?

biology


Suppose when Earth was created, it was not rotating. However, after the application of a uniform torque for 6 days according to the current length of a day, it was rotating at 1 rev/day. (a) What was the angular acceleration during the 6 days? (b) What torque was applied to Earth during this period? (c) What force tangent to Earth at its equator would produce this torque?

physics


political_science


Complete and balance each of the following half-reactions (steps 2–5 in half- reaction method): (a) \text{Sn}^{4+}(aq)\ \longrightarrow\ \text{Sn}^{2+}(aq) (b) \left\lbrack {\text{Ag}{(\text{NH}_{3})}_{2}} \right\rbrack^{\text{+}}(aq)\ \longrightarrow\ \text{Ag}{(s)} + \text{NH}_{3}(aq) (c) \text{Hg}_{2}\text{Cl}_{2}(s)\ \longrightarrow\ \text{Hg}{(l)} + \text{Cl}^{\text{−}}(aq) (d) \text{H}_{2}\text{O}(l)\ \longrightarrow\ \text{O}_{2}(g)\ {} (in acidic solution)(e) \text{IO}_{3}{}^{\text{−}}(aq)\ \longrightarrow\ \text{I}_{2}(s) (in basic solution) (f) \text{SO}_{3}{}^{2-}(aq)\ \longrightarrow\ \text{SO}_{4}{}^{2-}(aq)\ (in acidic solution)(g) \text{MnO}_{4}{}^{\text{−}}(aq)\ \longrightarrow\ \text{Mn}^{2+}(aq)\ (in acidic solution)(h) \text{Cl}^{\text{−}}(aq)\ \longrightarrow\ \text{ClO}_{3}{}^{\text{−}}(aq)\ (in basic solution)

chemistry


What kind of visible-light and infrared telescopes on the ground are astronomers planning for the future? Why are they building them on the ground and not in space?

astronomy


Develop one plausible ending for all three short stories below.

general


Your car’s 30.0-W headlight and 2.40-kW starter are ordinarily connected in parallel in a 12.0-V system. What power would one headlight and the starter consume if connected in series to a 12.0-V battery? (Neglect any other resistance in the circuit and any change in resistance in the two devices.)

physics


A nurse performs an initial assessment of a client with a height of 5â9â and a weight of 278 pounds. What BMI does the nurse calculate for this client?

nursing


What purpose is served by a long and flexible pole carried by wire-walkers?

physics


What is the main consequence of Mercuryâs orbit being so highly eccentric?

astronomy


Who selects the entrepreneurâs team? Why is this important?

business


Physiological saline concentrationâthat is, the sodium chloride concentration in our bodiesâis approximately 0.16M. A saline solution for contact lenses is prepared to match the physiological concentration. If you purchase 25 mL of contact lens saline solution, how many grams of sodium chloride have you bought?

chemistry


A transverse wave on a horizontal string \left( {\mu = 0.0060\ \text{kg/m}} \right) is described with the equation y\left( {x,t} \right) = 0.30\ \text{m}\ \text{sin}\left( {\frac{2\pi}{4.00\ \text{m}}\left( {x - v_{w}t} \right)} \right). The string is under a tension of 300.00 N. What are the wave speed, wave number, and angular frequency of the wave?

physics


Which instruction should the nurse give to a client with allergic rhinitis to decrease symptoms?

nursing


LO12.3Name the four contingent liability treatments.

business


How do presidents work to fulfill their campaign promises once in office?

political_science


Symptoms of PTSD include all of the followingexcept________.

psychology


The structure of a tissue usually is optimized for its function. Describe how the structure of the mucosa and its cells match its function of nutrient absorption.

biology


A hypothetical government protects the free expression of ideas but restricts the expression of ideas deemed harmful to the community. This is an example of __________.

political_science


political_science


Use the concepts on which Maxwellâs equations are based to explain why a compass needle is deflected when the compass is brought near a wire that is carrying an electric current.

physics