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Chemistry, 28.06.2019 11:00 lashondrascott
1. what are the characteristics of all chemical reactions? 2. why does temperature affect how fast a chemical reaction occurs? (use kinetic energy in your answer.) 3. what is stored in chemical bonds? 4. what is wrong with this chemical equation? (hint: think about the law of conservation of mass.) balance it. h2 + o2 > h2o 5. why do certain chemical reactions require a catalyst? 6. how does energy get stored in chemical bonds? use a different example than what was mentioned in the article to explain your answer. 7. how does pressure affect the rate of a reaction? 8. why does adding more or less of a substance change the rate the reaction occurs? 9. what is the difference between a compound and a molecule? ***click the molecule link in the article to find the answer. 10. what would be an example of a catalyst from a lab you did in class this year?
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Chemistry, 22.06.2019 14:30
How do temperature and salinity affect deepwater currents? as temperatures and salinity levels of water increase, the water rises to the surface where it creates currents as it moves to colder regions. they create changes in wind direction, moving denser water in the same direction as the wind and causing the deepwater circulation patterns found in the ocean. they equalize the forces on undersea currents caused by the coriolis effect as they replace more dense water with less dense water. they create density differences that cause dense deepwater currents to flow toward the equator where they displace less dense, warmer water above them.
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