Chemistry

In a kinetic study of the reaction
2NO(g) + O2 --> 2NO2(g)

the following data were obtained fro the initial rates if disapperance of NO:
Initial concentraition
NO O2 Inital Rate NO
exp 1. 0.0125M 0.0253M 0.0281 M/s
exp 2. 0.0250M 0.0253M 0.0112 M/s
exp 3. 0.0125M 0.0506M 0.0561 M/s

Obtain the rate law. What is the value of the rate constant?

I got 88.9 L/(mol*s)

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