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Unformatted text preview: true false A catalyst is a chemical that is present at the beginning of a reaction but not at the end. true false A very fast reaction has a very high activation energy. true false Analysis Which of the following equations are balanced? 2C + 0 2 - 2CO H 2 + F 2 - HF Mg + F 2 - MgF 2 2H 2 O 2 - H 2 O + O 2 2 O 3 - 3 O 2 2Fe 3 O 4 - 3Fe 2 O 3 + O 2 2Al + 3 O 2- Al 2 O 3 Atomic chlorine (Cl) is known to be a catalyst for some of the reactions that are responsible for the depletion of ozone (0 3 ) in the upper atmosphere (also known as the ozone hole). As a catalyst, Cl may be lowering the activation energy of some reaction involving ozone. be consumed in the reaction. for a transition state with 0 3 in which O 3 bonds get weakened. a and c. a, b, and c. Check Answers Choose a different chapter....
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This note was uploaded on 04/07/2011 for the course PHYSICAL S 100 taught by Professor Allred during the Spring '10 term at BYU.
- Spring '10