Chemistry 9th Edition

Published by Cengage Learning
ISBN 10: 1133611095
ISBN 13: 978-1-13361-109-7

Chapter 12 - Chemical Kinetics - Exercises: 62

Answer

Rate law = $k[NO_2]^2$ Overall balanced equation: $NO_2+CO\rightarrow NO+CO_2$

Work Step by Step

The rate law is determined from the slowest elementary step, which is given in the problem. Since the slowest elementary step requires 2 $NO_2$ molecules to collide with each other, the exponent on the concentration of $NO_2$ in the rate law is 2. The overall balanced equation can be found by adding together the reactions of the two elementary steps given in the problem.
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