Problem: The rate constant for the reaction  2NO2 → N2O4 is 1.2• 10-2 s-1 at 45oC. If the concentration of NO2 is O.5 M. what is the half-life of this reaction?    

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The rate constant for the reaction 
2NO2 → N2O4

is 1.2• 10-2 s-1 at 45oC. If the concentration of NO2 is O.5 M. what is the half-life of this reaction?

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Based on our data, we think this problem is relevant for Professor Mars' class at CCNY.