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sciq | None | Q: What phenomenon makes global winds blow northeast to southwest or the reverse in the northern hemisphere and northwest to southeast or the reverse in the southern hemisphere?
Choices:
- coriolis effect
- tropical effect
- centrifugal effect
- muon effect
A:
coriolis effect |
sciq | None | Q: Changes from a less-ordered state to a more-ordered state (such as a liquid to a solid) are always what?
Read this paragraph and choose the correct option from the provided answers:
Summary Changes of state are examples of phase changes, or phase transitions. All phase changes are accompanied by changes in the energy of a system. Changes from a more-ordered state to a less-ordered state (such as a liquid to a gas) areendothermic. Changes from a less-ordered state to a more-ordered state (such as a liquid to a solid) are always exothermic. The conversion of a solid to a liquid is called fusion (or melting). The energy required to melt 1 mol of a substance is its enthalpy of fusion (螖Hfus). The energy change required to vaporize 1 mol of a substance is the enthalpy of vaporization (螖Hvap). The direct conversion of a solid to a gas is sublimation. The amount of energy needed to sublime 1 mol of a substance is its enthalpy of sublimation (螖Hsub) and is the sum of the enthalpies of fusion and vaporization. Plots of the temperature of a substance versus heat added or versus heating time at a constant rate of heating are calledheating curves. Heating curves relate temperature changes to phase transitions. A superheated liquid, a liquid at a temperature and pressure at which it should be a gas, is not stable. A cooling curve is not exactly the reverse of the heating curve because many liquids do not freeze at the expected temperature. Instead, they form a supercooled liquid, a metastable liquid phase that exists below the normal melting point. Supercooled liquids usually crystallize on standing, or adding a seed crystal of the same or another substance can induce crystallization.
Choices:
- exothermic
- endothermic
- reactive
- unbalanced
A:
exothermic |
sciq | None | Answer the following question given this paragraph:
All radioactive decay is dangerous to living things, but alpha decay is the least dangerous.
Q: What is the least dangerous radioactive decay?
Choices:
- beta decay
- zeta decay
- alpha decay
- gamma decay
A:
alpha decay |
sciq | None | Answer the following question given this paragraph:
Example 3.5 Calculating Projectile Motion: Hot Rock Projectile Kilauea in Hawaii is the world鈥檚 most continuously active volcano. Very active volcanoes characteristically eject red-hot rocks and lava rather than smoke and ash. Suppose a large rock is ejected from the volcano with a speed of 25.0 m/s and at an angle 35.0潞 above the horizontal, as shown in Figure 3.40. The rock strikes the side of the volcano at an altitude 20.0 m lower than its starting point. (a) Calculate the time it takes the rock to follow this path. (b) What are the magnitude and direction of the rock鈥檚 velocity at impact?.
Q: Kilauea in hawaii is the world鈥檚 most continuously active volcano. very active volcanoes characteristically eject red-hot rocks and lava rather than this?
A:
smoke and ash |
quora | None | Given the question "What is the step by step guide to invest in share market in india?" would you consider "What is the step by step guide to invest in share market?" as a duplicate?
No |
quora | None | Is the following question "What is the story of Kohinoor (Koh-i-Noor) Diamond?" the same as "What would happen if the Indian government stole the Kohinoor (Koh-i-Noor) diamond back?"?
No |
quora | None | The question "Why am I mentally very lonely? How can I solve it?" is different from "Find the remainder when [math]23^{24}[/math] is divided by 24,23?". True or false?
True |
quora | None | The question "Which one dissolve in water quikly sugar, salt, methane and carbon di oxide?" is the same as "Which fish would survive in salt water?". True or false ?
false |
quora | None | Two new posts asked on Quora are "Astrology: I am a Capricorn Sun Cap moon and cap rising...what does that say about me?" and "I'm a triple Capricorn (Sun, Moon and ascendant in Capricorn) What does this say about me?". I feel like they have asked the same question. Am I correct?
Yes, they are the same question |
rotten_tomatoes | None | the rock is destined to be the 21st century's new " conan " and that he's going to make a splash even greater than arnold schwarzenegger , jean-claud van damme or steven segal . Did the reviewer find this movie good or bad?
good |
rotten_tomatoes | None | the gorgeously elaborate continuation of " the lord of the rings " trilogy is so huge that a column of words cannot adequately describe co-writer/director peter jackson's expanded vision of j . r . r . tolkien's middle-earth . What is the sentiment expressed in this text?
positive |
rotten_tomatoes | None | effective but too-tepid biopic
Is this review positive or negative?
positive |
rotten_tomatoes | None | if you sometimes like to go to the movies to have fun , wasabi is a good place to start . Did the reviewer enjoy the movie?
Yes |
rotten_tomatoes | None | emerges as something rare , an issue movie that's so honest and keenly observed that it doesn't feel like one . How does the reviewer feel about the movie?
They loved it |
rotten_tomatoes | None | the film provides some great insight into the neurotic mindset of all comics -- even those who have reached the absolute top of the game . The sentiment expressed for the movie is
positive |
rotten_tomatoes | None | offers that rare combination of entertainment and education . What sentiment does the writer express for the movie?
positive |
rotten_tomatoes | None | The following movie review expresses what sentiment? perhaps no picture ever made has more literally showed that the road to hell is paved with good intentions .
positive |
rotten_tomatoes | None | steers turns in a snappy screenplay that curls at the edges ; it's so clever you want to hate it . but he somehow pulls it off . What is the sentiment expressed by the reviewer for the movie?
positive |
rotten_tomatoes | None | take care of my cat offers a refreshingly different slice of asian cinema . How does the viewer feel about the movie?
positive |