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The rate law for the reaction 2NO2 + O3 ? N2O5 + O2 is rate =...

The rate law for the reaction 2NO2 + O3 ? N2O5 + O2 is rate = k[NO2][O3]. Which one of the
following mechanisms is consistent with this rate law?
A) NO2 + NO2 ? N2O4 (fast)
N2O4 + O3 ? N2O5 + O2 (slow)
B) NO2 + O3 ? NO5 (fast)
NO5 + NO5 ? N2O5 + 5/2O2 (slow)
C) NO2 + O3 ? NO3 + O2 (slow)
NO3 + NO2 ? N2O5 (fast)
D) NO2 + NO2 ? N2O2 + O2 (slow)
N2O2 + O3 ? N2O5 (fast)
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Answer #1

rate law is determined by the slowest step

rate law is rate = k[NO2][O3].

so,

C) NO2 + O3 ? NO3 + O2 (slow)

NO3 + NO2 ? N2O5 (fast)

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Answer #2
c)
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Answer #3
C is the answer.
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