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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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