Consider the following reaction:
2NO2(g) → 2NO(g) + O2(g) rate = k[NO2]2
When the initial concentration of NO2 is 100 mM, it takes 55 s for 90% of the NO2 to react. Calculate the rate constant.
a) 0.042 M -1s -1
b) 1.8 x 10 -5 M -1s -1
c) 1.6 M -1s -1
d) 1.6 x 10 -3 M -1s -1.
e) 0.13 M -1s -1
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