Sample Problem 4:

The decomposition of NOCl(g) follows the reaction

2NOCl(g) ---> 2NO(g) + Cl₂(g)

is a second order reaction with a rate constant of 0.0480 M^Ð1sec^Ð1 for the reaction at 200 degrees C. In an experiment at 200 degrees C, the initial concentration of NOCl was 0.400 M. What is the concentration of NOCl after 15.0 min have elasped?

Answer:

[NOCl] = 2.30 x 10^Ð3 M

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