Review Homework For Kinetics Test

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Answer the following question either incomplete sentences (including any graphs when needed) or showing all work (including sig fig, units,etc)


1. What is the name of the theory (and give a one sentence explanation) that all of kinetics are based on? For my class, what two words must be in all answers (except reaction mechanism problems) and what two factors determines it.














2. Explain why increasing the temperature of a reaction increases the rate of the reaction. Please include in your discussion the appropriate kinetic energy diagram (make sure to discuss the graph and not simply show the graph). Remember, graph/diagram/figure do not say anything, you must explain the diagram.
















3. One mechanism for the destruction of ozone (O3) in the upper atmosphere is

O3(g) + NO(g) --> NO2(g) + O2(g) Slow
NO2(g) + O(g) --> NO(g) + O2(g) Fast
__________________________________________________________________________________________
O3(g) + O(g) ---> 2 O2(g) Overall Reaction

(It may be easier to answer a & b if you first thing about the definitions)
a. Which species are catalysts.
b. Which species are intermediate.
c. I did some experiments and found that if I increased the concentration of O3, the rate of reaction increased and if I increased the concentration of O(g), the rate of reaction also would increase. Does the above reaction mechansim support this data or not? Explain.










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Edited March 4, 2008 3:05 pm (diff)
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