Problem: The reaction 2NO2 → 2NO + O2 has the rate constant k = 0.63 M-1s-1.Based on the units for k, is the reaction first or second order in NO2?

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FREE Expert Solution

We’re being asked to determine the order of the reaction given the rate constant, k = 0.63 M-1s-1, for the given reaction:

 2 NO2 → 2 NO + O2


Recall that in order to determine the unit of k, the following equation is used:

k=M-n+1·t-1

n = overall order of the reaction

t = seconds, s


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Problem Details

The reaction 2NO2 → 2NO + O2 has the rate constant k = 0.63 M-1s-1.

Based on the units for k, is the reaction first or second order in NO2?