Chemistry Dictionary - a compound usually having a sour taste and capable of neutralizing alkalis and bases. Acids have a pH under 7. Acid-base reaction - is a chemical reaction in which an electron pair is donated by a base to an acceptor acid. Acid dissociation constant Ka - is Quantitative measure of the strength of an acid in solution. Actinide - the actinide or actinoid series encompasses the 15 metallic chemical elements with atomic numbers from 89 to 103, actinium through lawrencium. Activation Energy - is minimum energy needed to start a reaction. Adsorption - is accumulation of a chemical on the surface of a solid (adsorbent) forming a film of adsorbate. Alchemy - speculative philosophy practiced in the Middle Ages and the Renaissance that involved the process of transmutation of the base metals into gold. Alkali - are unsaturated hydrocarbons containing at least one carbon-carbon double bond C=C between two adjacent cabon atoms. Alkynes - are hydrocarbons containing at least one triple bond. Allotropes - are different structural modifications of the same element.

Alloy - an alloy is a mixture of two or more elements, of which at least one is metal. Alpha Decay - or α-decay is a type of radioactive decay in which an atomic nucleus emits an alpha particle. Amalgam - a liquid alloy of mercury with another metal. amu - atomic mass unit (amu) is an unit of measurement that is used to measure the mass of atoms and roughly equivalent to 1.67x10-27kg. Anion - an ion with a negative charge. Anode - is an electrode through which electric current flows into a polarized electrical device. A cathode is a negatively charged electrode that attracts the positive ions (cations) in a circuit or chemical reaction. Arrhenius acid - is a substance that dissociates in water to form hydrogen (H+) ions. Arrhenius acid increases the concentration of H+ ions in an aqueous solution. Learn more about Arrhenius theory . Arrhenius base - is a substance that dissociates in water to form hydroxide (OHi) ions. Arrhenius base increases the concentration of OH- ions in an aqueous solution. Learn more about Arrhenius theory . Atom - the basic unit of a chemical element.

Atomic mass - of an element is the sum of the masses of its isotopes each multiplied by its natural abundance. Atomic number - the number of protons in an atom of an element. atomic radius - is a measure of the size of its atoms, usually the mean or typical distance from the nucleus to the boundary of the surrounding cloud of electrons. atomic symol - is a 1-, 2-, or 3-letter internationally agreed code for a chemical element, usually derived from the name of the element, often in Latin. Only the first letter is capitalised. For example, "He" is the symbol for helium. Aufbau principle - a description of the building up of the elements in which he orbitals of lower energy are filled in first with the electrons and only then the orbitals of high energy are filled. - is a gas law which states that, under the same condition of temperature and pressure, equal volumes of all gases contain the same number of molecules. Avogadro's number - the substance which accepts H+ ions and produces hydroxide ions OH- when added to wateris called base. Basic - having the characteristics of a base, with a pH above 7.

Becquerel - (Bq) is a unit of radioactivity, with 37 billion Bq equal to 1 curie. Beta Decay - or β-decay is a type of radioactive decay in which an atomic nucleus emits a beta particle. - is a chemical compound that contains exactly two different elements. Binding energy - is the energy required to disassemble an atom into free electrons and a nucleus. Boiling point - is the temperature at which the vapour pressure of a liquid is equal to the atmospheric pressure and the liquid changes into a vapor (gas). Bond - a continuous process by which carbon is exchanged between organisms and the environment. Catalyst - a substance that sarts or speeds up a chemical reaction without being consumed in the reaction. Cathode - is an electrode through which electric current flows into a polarized electrical device. The anode is the positively charged electrode that attracts the negative ions (anions) in a circuit or chemical reaction. Cation Charles's law - states that the volume of a gas at a constant pressure varies directly with its temperature (V ∝ T). This means that, at constant pressures, the volume of a given mass of an ideal gas will increase or decrease directly as its temperatures increases or decreases.

It is also known as the law of volumes. Combustion - is the burning of a fuel and oxidant accompanied by the production heat and, usually, light. Compound - is the suppression of the solubility of a weak electrolyte in the presence of strong electrolyte, which contains common ion. Condensation - is the process by which a gaseous substance changes into a liquid state. Conjugate acid - is a compound formed when a bronsted-lowry base accepts a proton. Learn more about Bronsted-Lowry theory . Conjugate base - is a compound formed when a bronsted-lowry acid gives up/donates a proton. Learn more about Bronsted-Lowry theory . Corrosion - corrosion is the deterioration of materials, usually metals, by chemical reaction with its environment. Covalent bond - is a chemical bond that involves sharing a pair of electrons between atoms in a molecule. Curie - (Ci) is a unit of radioactivity, named after Marie Curie and equal to 37 billion Bq.

Cracking - cracking is the process whereby complex organic molecules such as kerogens or heavy hydrocarbons are broken down into simpler molecules such as light hydrocarbons, by the breaking of carbon-carbon bonds in the precursors. Cycloalkane - states that the total pressure of a mixture of gases is the sum of all of the partial pressures of the individual gases. Density - is the amount of mass per a unit of volume. Deposition - is a process in which gas transforms into solid by cooling. it is also known as desublimation. Deuterium - is an isotope of hydrogen which contains one proton and one neutron in its nucleus. Deuterium (symbol D or 2H) is also known as heavy hydrogen. Diamagnetic - material has a very weak and negative susceptibility to magnetic fields. Diamagnetic materials have all paired electron resulting in no permanent net magnetic moment per atom. Diatomic - molecules made of two atoms chemically bonded together. Diffusion - is the process in which gas particles move from an area of high to lower concentration. Dissociation - is the separation of ions that occurs when an ionic compound dissolves.

Distillation - is a method for purifying liquids and separating mixtures of liquids into their individual components by evaporation and subsequent condensation of a liquid. Double bond - is a bond where two electron pairs are shared between two atoms. Ductile - is a solution which acts as a medium to conduct electricity. Electrolysis - is a method of using a direct electric current to produce a chemical reaction. Electromagnetism - is the study of combined effects of electricity and magnetism. Electron - is a negatively charged component of an atom. Electron affinity - electron affinity of an atom or molecule is the amount of energy released when an electron is added to a neutral atom or molecule to form a negative ion. - is the distribution of electrons in the orbitals of an atom or molecule. Electronegativity - is the power of an atom in a molecule to attract electrons to itself. Element - a chemical element is a substance that cannot be broken down by chemical reactions. Empirical formula - of a chemical is the simplest positive integer ratio of atoms present in a compound. Endothermic - a chemical reaction that absorbs heat. Energy - the ability to do work.

Chemical energy is the potential of a chemical substance to undergo a transformation through a chemical reaction or, to transform other chemical substances. Enthalpy H - is a measure of the total energy of a thermodynamic system. The total enthalpy, H, of a system cannot be measured directly. Only changes in enthalpy ΔH can be measured. For processes under constant pressure, ΔH is equal to the change in the internal energy of the system, plus the work that the system has done on its surroundings. Entropy S - is the measurement of the amount of disorder in a system. Equilibrium constant - the value of the reaction quotient for a system at equilibrium. Equivalence point - is the volume of titrant required to neutralize the analyte solution. Exothermic - heavy water, also called as deuterium oxide or 2H2O or D2O, is a form of water that contains a larger than normal amount of the hydrogen isotope deuterium. Heterogeneous mixture - is a substance in which components are not evenly mixed. Some examples are: pizza, soup etc. Homogeneous mixture - is a substance in which components are evenly mixed. Some examples are: air, salt water etc.

Hunds rule - states that the electrons will occupy an open orbital before it will pair up. Hydrate - is a compound formed by the addition of water or its elements to another molecule. Hydride - is a compound of hydrogen with another element. Hydrocarbon - a substance that is not chemically reactive. Inhibitor - a substance that blocks or decreases the rate of chemical reaction. Insulator - is a material that will not carry any electrical current. Ion - an atom or group of atoms having a positive or negative electric charge by gaining or losing one or more electrons. Ionic bond - is a chemical bond formed through an electrostatic attraction between two oppositely charged ions. Ionic bonds are formed between a cation, which is usually a metal, and an anion, which is usually a nonmetal. Ionic product of water - The equilibrium constant for the self-dissociation of water is known as ionic product for water. Ionization - the process of producing ions. Ionization energy - of an atom or molecule describes the amount of energy required to remove an electron from the atom or molecule in the gaseous state. Isomers - is an element, compound, or alloy that is a good conductor of both electricity and heat.

Metals are usually shiny, malleable and ductile. Metalloid - is a chemical element some of the properties of metals and some of the properties of nonmentals. Molality - is the number of moles of solute dissolved in one kilogram of solvent. Molarity - is the number of moles of solute per liter of solution. Molar mass - is the mass of one mole of a substance. Mole - is the amount of any substance that contains as many elementary entities (e.g., atoms, molecules, ions, electrons) as there are atoms in 12 grams of pure carbon-12.defined as the amount of any substance that contains as many elementary entities (e.g., atoms, molecules, ions, electrons) as there are atoms in 12 grams of pure carbon-12. The number of atoms in a 12g sample of carbon is 6.023 x 1023 atoms. Molecule - is an electrically neutral group of two or more atoms held together by covalent chemical bonds. Molecule forms the smallest unit of a compound.

- is defined as the number of moles of a component of a solution divided by the total number of moles of all components. Monoatomic - is a horizontal row of elements on the periodic table. Periodic table - is a tabular display of the chemical elements, the elements are organized into groups and periods on the basis of their atomic numbers, electron configurations, and recurring chemical properties. PH - is a a measure of acidity and alkalinity of a solution. Lower numbers indicate increasing acidity and higher numbers increasing alkalinity. Neutral pH is 7. PH stands for potential of hydrogen. Plum pudding model - of the atom was proposed by J. J. Thomson in 1904. He proposed that atoms have structure similar to a plum pudding, with tiny, negatively charged electrons embedded in a positively charged gel. This model was disproved by the 1909 gold foil experiment, which was interpreted by Ernest Rutherford in 1911. Polyatomic ion - is a charged particle which has two or more atoms held together by covalent bonds. Positive ion - is an atom that has lost one or more electrons.

Post-transition metals - the post-transition metals, also known as the poor metals, is a group of metals on the periodic table. It is to the right of the transition metals. Potential energy - is the energy of an object at rest. Proteins - are large biological molecules consisting of one or more chains of amino acids. Protium - the common, stable isotope of hydrogen, having no neutrons. Proton - is the amount of heat required to change a unit mass of a substance by one degree in temperature. Spectrum - is the complete range of the wavelengths of electromagnetic radiation, beginning with the longest radio waves and extending through visible light i.e. a very small part of the spectrum. Standard temperature and pressure (STP) - at STP: the temperature is 0�C or 273 K and the pressure is 1 atmosphere or 760 mmHg or 760 torr. Stoichiometry - is a branch of chemistry that deals with the relative quantities of reactants and products in chemical reactions. Strong acid - is an acid which ionises almost completely when dissolved in water to produce a high concentration of hydrogen ions.

Strong base - is a base that disassociates almost or entirely to completion into a metal ion and hydroxide ion in an aqueous solution. Sublime Three States of Matter About Watch and Favorite Watch Watching this resources will notify you when proposed changes or new versions are created so you can keep track of improvements that have been made. Favorite Favoriting this resource allows you to save it in the “My Resources” tab of your account. There, you can easily access this resource later when you’re ready to customize it or assign it to your students. Three States of Matter The three states of matter are the distinct physical forms that matter can take: solid, liquid, and gas. Learning Objective Describe the three states of matter Key Points Matter can exist in one of three main states: solid , liquid , or gas . Solid matter is composed of tightly packed particles. A solid will retain its shape; the particles are not free to move around. Liquid matter is made of more loosely packed particles. It will take the shape of its container. Particles can move about within a liquid, but they are packed densely enough that volume is maintained. Gaseous matter is composed of particles packed so loosely that it has neither a defined shape nor a defined volume. A gas can be compressed.

Terms Register for FREE to remove ads and unlock more features! Learn more Full Text The three states of matter are the three distinct physical forms that matter can take in most environments: solid, liquid, and gas. In extreme environments, other states may be present, such as plasma , Bose-Einstein condensates, and neutron stars. Further states, such as quark-gluon plasmas, are also believed to be possible. Much of the atomic matter of the universe is hot plasma in the form of rarefied interstellar medium and dense stars. Historically, the states of matter were distinguished based on qualitative differences in their bulk properties. Solid is the state in which matter maintains a fixed volume and shape; liquid is the state in which matter adapts to the shape of its container but varies only slightly in volume; and gas is the state in which matter expands to occupy the volume and shape of its container. Each of these three classical states of matter can transition directly into either of the other two classical states. This diagram shows the nomenclature for the different phase transitions. Solids A solid's particles are packed closely together. The forces between the particles are strong enough that the particles cannot move freely; they can only vibrate.

As a result, a solid has a stable, definite shape and a definite volume. Solids can only change shape under force, as when broken or cut. In crystalline solids, particles are packed in a regularly ordered, repeating pattern. There are many different crystal structures , and the same substance can have more than one structure. For example, iron has a body-centered cubic structure at temperatures below 912 °C and a face-centered cubic structure between 912 and 1394 °C. Ice has fifteen known crystal structures, each of which exists at a different temperature and pressure . A solid can transform into a liquid through melting, and a liquid can transform into a solid through freezing . A solid can also change directly into a gas through a process called sublimation . Liquids A liquid is a fluid that conforms to the shape of its container but that retains a nearly constant volume independent of pressure. The volume is definite (does not change) if the temperature and pressure are constant. When a solid is heated above its melting point , it becomes liquid because the pressure is higher than the triple point of the substance.

Intermolecular (or interatomic or interionic) forces are still important, but the molecules have enough energy to move around, which makes the structure mobile. This means that a liquid is not definite in shape but rather conforms to the shape of its container. Its volume is usually greater than that of its corresponding solid (water is a well-known exception to this rule). The highest temperature at which a particular liquid can exist is called its critical temperature . A liquid can be converted to a gas through heating at constant pressure to the substance's boiling point or through reduction of pressure at constant temperature. This process of a liquid changing to a gas is called evaporation . Gases Gas molecules have either very weak bonds or no bonds at all, so they can move freely and quickly. Because of this, not only will a gas conform to the shape of its container, it will also expand to completely fill the container. Gas molecules have enough kinetic energy that the effect of intermolecular forces is small (or zero, for an ideal gas), and they are spaced very far apart from each other; the typical distance between neighboring molecules is much greater than the size of the molecules themselves. A gas at a temperature below its critical temperature can also be called a vapor.

A vapor can be liquefied through compression without cooling. It can also exist in equilibrium with a liquid (or solid), in which case the gas pressure equals the vapor pressure of the liquid (or solid). A supercritical fluid (SCF) is a gas whose temperature and pressure are greater than the critical temperature and critical pressure . In this state, the distinction between liquid and gas disappears. A supercritical fluid has the physical properties of a gas, but its high density lends it the properties of a solvent in some cases. This can be useful in several applications. For example, supercritical carbon dioxide is used to extract caffeine in the manufacturing of decaffeinated coffee.

CHM 2046L : CHEMISTRY 2 LAB - UCF - Course Hero CHEMISTRY 2 LAB CHM 2046L - Spring 2016 Safraz Asgaralli Chem2046L 10:30am-1:20pm Week 9: Post lab Questions Chemical Kinetics II (25 points) http:/chemwiki.ucdavis.edu/Physical_Chemistry/Kinetics/Rate_Laws/The_Rate_Law Provide a copy of all of your data tables involved in the planning and expe CHEMISTRY 2 LAB CHM 2046L - Spring 2014 Due June 6-10 Week 3: Post Lab Questions Electric Solutions (15 points) 1) Provide a copy of your flowchart (1 points) See Attached 2) According to your flowchart, what types of chemicals make the light bulb light up?

(Doesnt have to be the right answer, Week 3 Assgiments (Due 6.6-6.10).docx 5 pages CHEMISTRY 2 LAB CHM 2046L - Spring 2016 Bryanna Jackson Section: 0025 Week 2: Post Lab Questions Electric Solutions (15 points) Complete the following assignment after reading: http:/en.wikipedia.org/wiki/Aqueous_solution http:/ CHEMISTRY 2 LAB CHM 2046L - Spring 2016 Miguel Carvajal Week 2: Post Lab Questions Electric Solutions (15 points) Complete the following assignment after reading: http:/en.wikipedia.org/wiki/Aqueous_solution http:/ Week 2 Assgiments (Due 1.25-1.29).docx 5 pages CHEMISTRY 2 LAB CHM 2046L - Spring 2016 Due week of February 15th-19th Week 5: Precipitation Reactions Scientists Write!

Writing a Discussion (10 points) The discussion section is probably the least formalized part of the report, in that you cant really apply the same structure to every type of CHEMISTRY 2 LAB CHM 2046L - Summer 2015 Week 2: Post Lab Questions Electric Solutions 1) Provide a copy of your flowchart (1 points) Is the chemical soluble? Yes No Covalent bonding Ionic bonding Nonpolar covalent Polar covalent Is is it a weak acid or base? Is it a strong acid, strong base or CHEMISTRY 2 LAB CHM 2046L - Spring 2016 Week 1: Introduction to Lab & Safety Scientists Write! Abstract & Title (10 points) Now that you have learned about how to think through your research and write up the results to explain it to the scientific community, you need people to find it! A descri CHEMISTRY 2 LAB CHM 2046L - Spring 2014 Week 3 Post Lab- Electric Solutions 1) For Example Strong Bases What types of chemicals make the light bulb light up?

Strong Electrol CHEMISTRY 2 LAB CHM 2046L - Spring 2014 Week 3 Post Lab- Electric Solutions 1) What types of chemicals make the light bulb light up? Strong Electrolytes Weak Electrolytes Non-Electrolyte Dissociate in H2O? Yes Partially No Weak Electrical Current No conduction Conduct electrical current? Strong CHEMISTRY 2 LAB CHM 2046L - Spring 2016 Destinee McKnight 19 February 2016 CHM 2046L Week 5: Precipitation Reactions Scientists Write! Writing a Discussion (10 points) The beginning of the experiment I initially thought that the amount of product you make changes as the amount of reactants you Week 5 Assignments (Due 2.15-2.19).docx 7 pages CHEMISTRY 2 LAB CHM 2046L - Spring 2013 Chm 2046L/ Hugh Hayes Environmental Solutions: Phosphate in the Water Supply Introduction: The universality of water, its uses and what it provides, allows it to exist everywhere.

As part of natural systems or man-made mechanics, water can do it all. One CHEMISTRY 2 LAB CHM 2046L - Fall 2015 Alexxis Harris September 17, 2015 CHM2046 0015 Week 3: Pre-lab worksheet (5 points) 1) When 1.0 M aqueous solutions of sodium carbonate and hydrochloric acid react it produces a carbon dioxide, water and sodium chloride (2 points) a. Write the balanced ch CHEMISTRY 2 LAB CHM 2046L - Spring 2014 Due week of July 25th-29th Week 10: Post lab Questions Environmental Solutions I (25 points) Scientists use an instrument called a spectrometer to quantitatively determine the amount of light absorbed by a solution.

The primary inner parts of a typical sp CHEMISTRY 2 LAB CHM 2046L - Fall 2015 Week 9: Pre-lab Worksheet (5 points) Complete the following assignments after reading from this web source: http:/dl.clackamas.edu/ch105-04/dilution.htm 1) Look up the term serial dilutions in a textbook or web source and explain it in your own words. (1 CHEMISTRY 2 LAB CHM 2046L - Spring 2016 Alexis Dunn 02/10/2016 CHM2046L-019 Due week of February 8th-12th Week 4: Post lab Questions Gas Laws (25 points) 1. What is an ideal gas? What 3 conditions must be met by a gas in order for a gas to be considered as ideal?

(3 points) Ideal gas is define Week 4 Assignments (Due 2.8-2.12).docx 3 pages CHEMISTRY 2 LAB CHM 2046L - Fall 2015 Week 9: Post lab Questions Chemical Kinetics II (25 points) http:/chemwiki.ucdavis.edu/Physical_Chemistry/Kinetics/Rate_Laws/The_Rate_Law Provide a copy of all of your data tables involved in the planning and experimental section of your experiment (examp CHEMISTRY 2 LAB CHM 2046L - Fall 2015 Week 5: Post lab questions Precipitation Reactions (15 points) Two of the ways that scientists relay information in a journal article is through the use of figures (including graphs, illustrations, and pictures) and tables. Tables are used to group numeri CHEMISTRY 2 LAB CHM 2046L - Fall 2015 Week 4: Post lab Questions Gas Laws (25 points) 1. What is an ideal gas? What 3 conditions must be met by a gas in order for a gas to be considered as ideal?

(3 points) An ideal gas is a gas that conforms to a particular, idealized relation between pressu CHEMISTRY 2 LAB CHM 2046L - Spring 2016 Week 10: Post lab Questions Environmental Solutions I (25 points) 1) Define all of the bold words in the previous paragraph. (4 points) Spectrometer: measures spectra. Quantitatively: things that can be expressed in terms of quantity. Electromagnetic radi Week 10 Assignments (Due 3.28-4.1).docx 1 pages CHEMISTRY 2 LAB CHM 2046L - Spring 2016 Utilizing NMR and various models to comprehend the structure of a molecule ! The paper discusses a change in the format of the general chemistry course to engage the students into understanding the 3-D structure of a molecule. In order to help students to CHEMISTRY 2 LAB CHM 2046L - Spring 2016 Allison Bush Week 4: Post lab Questions Gas Laws (25 points) 1. What is an ideal gas?

What 3 conditions must be met by a gas in order for a gas to be considered as ideal? (3 points) An ideal gas is a hypothetical gas that conforms to a particular, idealiz Week 4 Assignments (Due 2.8-2.12).docx 10 pages CHEMISTRY 2 LAB CHM 2046L - Fall 2015 Page |1 Determining which antacid is the best at neutralizing stomach acid: An antacid analysis. Author(s): Noelani C. Pabon, Melissa Kannapel, Oniquca Wright, and Desiree Smith. Institution: University of Central Florida. October 19, 2015 Abstract: This CHEMISTRY 2 LAB CHM 2046L - Spring 2016 Week 1 Pre lab a. NaNO3-soluble b. CaCO3-insoluble c. KC2H3O2-soluble 2. Compound Formula Ionic or Covalent Soluble or insoluble Ions in water? If yes, which ions are formed?

Potassium Iodide KI Ionic Soluble Yes K+ 1- Sucrose C12H22O11 Covalent Soluble n CHEMISTRY 2 LAB CHM 2046L - Spring 2016 Lab Week 4- 2/1/16 Gas Laws Sodium bicarbonate + Acetic Acid NaHCO3(s) + CH3COOH(aq) NaCH3OO(aq)+ CO2(g)+H2O (l) Acetic acid=vinegar Sodium Bicarbonate in soda, baking soda Key question: How can you inflate a plastic bag with sodium bicarbonate and acetic CHEMISTRY 2 LAB CHM 2046L - Spring 2016 Due January 25th Week 2: Take-home lab Electric Solutions (15 points) http:/ http:/en.wikipedia.org/wiki/Aqueous_solution http:/ 1) Flowchar MONDAY Sections Electrolytes take-home lab-1.docx 2 pages CHEMISTRY 2 LAB CHM 2046L - Spring 2016 Introduction to Electric Solutions The experiment was based upon the conductivity of certain solids and solutions entailing solubility

, dissociation and the strength of electrolytes.

Specific solids and solutions were stratified to test the conductivity i CHEMISTRY 2 LAB CHM 2046L - Spring 2016 Bryanna Jackson CHM 2046L Section: 0025 Week 3: Working with Glassware Scientists Write! Formal Writing (15 points) All genres have their own writing conventions. As you are learning to write like a scientist, it is important to consider the accepted prac CHEMISTRY 2 LAB CHM 2046L - Spring 2016 Working with Glassware Procedure ! A 150 mL beaker, a 50 mL volumetric pipette, a 50 mL volumetric flask, a 50 mL graduated cylinder and a 50 mL Erlenmeyer flask was used to answer the question as to which piece of glassware was the most correct.

Fifty mL CHEMISTRY 2 LAB CHM 2046L - Spring 2016 Lab week 6-2/15/16 Colligative Properties Change in temperature=iKm Key question: Using experimental data, how does the addition of solute affect the cooling curve of cyclohexane and how much is the freezing point affected. Super cool: Cooling a liquid lo CHEMISTRY 2 LAB CHM 2046L - Spring 2016 Allison Bush 2/22/16 Week 6: Colligative Properties Scientists Write! Peer Review (10 points) Point Value s Section Poor Excellent Percentage of Point Value 50 6 1 7 5 8 7 Section Score 10 0 Title 1 Describes lab content concisely, adequately and appropri CHEMISTRY 2 LAB CHM 2046L - Spring 2014 Tests What procedure wasdone? Watch the in-class video and describe the procedure of the experiment. TWO \dZYrHCCA \OCka-fs agar; 42mm WHh may," heme mt Somme; Vo\er\J .

Moe , Amen were mixed lbcbzer in 0'\ Cymdwmted CAXMnCler, \h Cmcktv sei oi: beaker-y, CHEMISTRY 2 LAB CHM 2046L - Spring 2014 Rebecca Paine CHM2046L-0022 st Due week of October 31 November 4th Week 10: Post lab Questions Environmental Solutions I (25 points) Scientists use an instrument called a spectrometer to quantitatively determine the amount of light absorbed by a solution. Week 10 Assignments (Due 10.31-11.4).docx 4 pages CHEMISTRY 2 LAB CHM 2046L - Spring 2014 Rebecca Paine CHM2046L-0022 Due week of September 19th 23rd Week 4 Scientists Write: Gas Laws Scientists Write!

Writing an Introduction (10 points) This week you will have the opportunity to practice one of the first components of a lab report, the introd Week 4 Assignments (Due 9.19-9.23).docx 4 pages CHEMISTRY 2 LAB CHM 2046L - Spring 2014 Due week of September 5th 9th Week 2: Working with Glassware Scientists Write! Formal Writing (15 points) All genres have their own writing conventions. As you are learning to write like a scientist, it is important to consider the accepted practices with Week 2 Assignments (Due 9.5-9.9).docx CHEMISTRY 2 LAB Questions & Answers Showing 1 to 8 of 8 View all An airbag was determined to have a maximum volume of 4.5 liters. If the most effectiveinflation percentage was 95% of the maximum, how much of each reactant You mix 50.0 mL of a weak monoprotic acid with 50.0 mL of NaOH in a coffee cup calorimeter.

Both solutions (and the calorimeter) were initially at 22.0 C. The the questions are laid out properly in the document. Work only needs to be showed when it asks. Self Administered Test On Units E & F Chemical React has this been answered? Can you answer this before 5-31-2015 before midnight please? if i need to pay that is fine Please follow each question's requirement. If you can answer it within 3 hours I am gonna increase the price. It is only one question 1. Which of the following is an application of osmotic pressure? salting meats for preservation mixing water and ethylene glycol in A problem file is uploaded regarding Physical Chemistry. Detailed explanations and solution procedures should be delivered for each problem. CHEMISTRY 2 LAB Advice Pretty easy, overall. Course Overview: Very well organized class, takes some work outside of class but is very easy if you do all of the assigned work. Lab reports are a little bit long, but there is nothing that is too difficult to do as long as you have a few spare hours! Course highlights: I liked how this TA let us out early because she was concise when giving instructions and giving out quizzes.

Hours per week: 3-5 hours Advice for students: Make sure you do all of the pre-lab, post lab, and scientist write assignments before the day that they're due and make sure you put a lot of effort into error tracing and discussion for lab reports! Course Term: Essay about Molar Mass of a Gas Lab Report - 3508 Words ------------------------------------------------- ------------------------------------------------- The aim of this lab was to determine the volume of one mole of hydrogen gas at STP (standard temperature and pressure). In the experiment, a magnesium ribbon was placed at the bottom of an eudiometer tube and allowed to react with 2M hydrochloric acid. The volume of hydrochloric displacement was measured and calculations determined the molar volume of hydrogen gas produced inside the eudiometer tube. After performing and taking the average data of two trials, it was concluded that the calculated value of one mole of hydrogen gas at STP was about 22.35 L/mol. Rounding up, it can be concluded that one mole equals 22.4 L/mol, which is the accepted value of the volume one mole of an ideal gas takes up.

However, there was a 0.357% error, which could have been due to minor problems such as reading the values on the instruments slightly off. In the end, the experiment demonstrated that one mole of hydrogen gas at STP takes up 22.4 L. ------------------------------------------------- ------------------------------------------------- ------------------------------------------------- Introduction: An ideal gas can be defined as a hypothetical gas whose molecules occupy negligible space and have no interactions, therefore exactly obeying the gas laws. However, most of the gases encountered in the real world are real gases which do not strictly obey ideal gas laws. The purpose of this lab is to find the molar volume of H₂ gas at STP. In this experiment, a known mass of magnesium was reacted with a solution of hydrochloric acid and water in an eudiometer tube. The volume of displacement of the reacted solution would determine the total volume of H₂ gas and water vapor produced from the reaction. After the data is calculated and corrected for the differences in temperature and pressure, the result is the volume of one mole of hydrogen gas at STP.

It was hypothesized that the calculated molar volume of H₂ gas from this experiment would be close to the literature value of 22.43 L/mol, although it would be slightly greater/less than 22.43 L/mol because of possible sources of error due to inaccurate measurements of the H₂ gas. The independent variable is the amount of magnesium used for the reaction, and the dependent variable is the volume of H₂ gas produced. Temperature, pressure, and total volume are assumed to be controlled variables during this experiment.

------------------------------------------------- ------------------------------------------------- LAB REPORT ...blue color starts to fade After heating it is completely white – color has faded – and particles are smaller due to the stirring Calculations of Trial 1: Molar Mass of H2O = 2 x (1.01) + 16.00 = 18.02gmol1- How many moles of H2O evaporated Trial 1: 0.72g±0.04g/18.02gmol1- = 0.03995… ≈ 0.040mol±6.25% = 0.040mol±0.003mol Molar Mass of CuSO4 Cu: 63.55 gmol1- S=32.07 gmol1- O x 4= (16.00) x 4=64.00 gmol1- CuSO4= 159.62...

638 Words | 3 Pages Molar Volume of a Gas Lab Essay ...Molar Volume of a Gas – 10/27/08 Alic Albright, Josh Coleman, Dan Boden, Zach Babin Purpose: The pupose of this lab was to make an experimental determination of a molar volume through reaction of the substance shown: Mg(s) + 2HCl(aq) > MgCl(aq) + H(g) Introduction: In this lab, a magnesium ribbon and HCl are combined in a gas measuring tube. When they are... 816 Words | 4 Pages Essay about Law of Conservation of Mass Lab Report ... Law of Conservation of Mass / Introduction to Weighing Using the Analytical Balances Brandon Palmisano Lab Partners: Matt Hattenburg & Peyton Dannewitz Chemistry A Dr.Clark Date: March 18, 2015 Introduction: The Law of Conservation of Mass states the matter can neither be created nor destroyed. Antoine Lavoisier is credited with the discovery of the Law of Conservation. Lavoisier carried out his ...

1167 Words | 6 Pages ...Abstract……………………………………………………………………………………………2 Introduction………………………………………………………………………………………..2 Background………………………………………………………………………………..2 Objectives…………………………………………………………………………………2 Scope………………………………………………………………………………………3 Theory review……………………………………………………………………………………..3 Design of report…………………………………………………………………………………...5 Procedures…………………………………………………………………………………………5 Results……………………………………………………………………………………………..6 Discussion…………………………………………………………………………………………6... 1580 Words | 6 Pages Molar Mass Essay ...Molar Mass of a Volatile Liquid There are several ways to find the molar mass of a substance. One way, if the substance is a gas, is to use the Ideal Gas Equation to find molar mass. The standard equation reads PV=nRT where “n” is the number of moles present, “P” is the pressure (which is obtained by reading the barometric pressure of the room with the class barometer), “V” is... 709 Words | 3 Pages Lab Report on Ideal Gas Law Essay ...Ideal Gas Law Lab 1. Procedure: First, we used a balance to weigh the canister of gas, and recorded that mass as the original weight.

Then, we filled a large bucket with water and recorded the temperature. We then filled a small test tube with water at the same temperature and poured that water into a graduated cylinder to measure the original volume of water in the tube. We then poured the water back into the test tube and placed... 1033 Words | 3 Pages Lab Report Gas Laws Essay ...Lab: Gas Laws Purpose: Obtain a reference of temperatures effect on gas using Charles’ law when heating a capillary tube in water on a heated hot plate. Then, cooling the same capillary tube with ice while measuring the temperatures cooling effect on the gas bubble inside the capillary tube. Measurements of temperature change are taken with microLAB sensor and graphed using microLAB software. A final determination of experiments... 1282 Words | 4 Pages Molar Volume of a Gas Essay ...Introduction Molar volume is the name given to the volume that one mole of any gas occupies at standard temperature and pressure. In chemistry, many of the materials worked with are gases. It is often easier to measure the volume of a sample of gas, rather than determine its mass. The main purpose of this lab is to determine the molar volume of hydrogen gas experimentally in order to compare it...

538 Words | 2 Pages ideal gas ideal gas Physics . a gas composed of molecules on which no forces act except upon collision with one another and with the walls of the container in which the gas is enclosed; a gas that obeys the ideal gas law. Also called perfect gas . [1890-95] Ideal gas — Thermodynamics … Wikipedia ideal gas — idealiosios dujos statusas T sritis fizika atitikmenys: angl. ideal gas; perfect gas vok. ideales Gas, n; vollkommenes Gas, n rus. идеальный газ, m; совершенный газ, m pranc. gaz idéal, m; gaz parfait, m … Fizikos terminų žodynas ideal gas — idealiosios dujos statusas T sritis Energetika apibrėžtis Dujos, kurių dalelės nesąveikauja. Joms galioja idealiųjų dujų lygtis (Klapeirono lygtis). atitikmenys: angl. ideal gas vok. ideales Gas, n rus. идеальный газ, m pranc.

gaz idéal, m … Aiškinamasis šiluminės ir branduolinės technikos terminų žodynas ideal gas — idealiosios dujos statusas T sritis Standartizacija ir metrologija apibrėžtis Dujos, kurių dalelės nesąveikauja tarpusavyje. atitikmenys: angl. ideal gas; perfect gas vok. ideales Gas, n rus. идеальный газ, m pranc. gaz parfait, m … Penkiakalbis aiškinamasis metrologijos terminų žodynas ideal gas — idealiosios dujos statusas T sritis chemija apibrėžtis Dujos, kurių molekulės tarpusavyje nesąveikauja. atitikmenys: angl. ideal gas; perfect gas rus.

идеальный газ … Chemijos terminų aiškinamasis žodynas ideal gas — gas made from molecules that do not chemically interact with other substances, perfect gas … English contemporary dictionary ideal gas — noun a hypothetical gas with molecules of negligible size that exert no intermolecular forces (Freq. 5) • Syn: ↑perfect gas • Hypernyms: ↑gas … Useful english dictionary ideal gas — noun Chemistry a hypothetical gas whose molecules occupy negligible space and have no interactions, and which consequently obeys the gas laws exactly … English new terms dictionary ideal gas — /aɪdɪəl ˈgæs/ (say uydearl gas) noun the theoretical concept of a gas which obeys Boyle s law and whose internal energy remains unchanged during a free expansion. Real gases approximate these properties at low pressures and high temperatures. A… … Australian English dictionary ideal gas — noun a hypothetical gas, whose molecules exhibit no interaction, and undergo elastic collision with each other and with the walls of the container … Wiktionary 16+

Question: In chemistry a hypothetical substance whose molecules occupy negligible space and have no interactions is called a?
Answer: Ideal Gas