Chemistry: The Molecular Science (5th Edition)

Published by Cengage Learning
ISBN 10: 1285199049
ISBN 13: 978-1-28519-904-7

Chapter 11 - Chemical Kinetics: Rates of Reactions - Questions for Review and Thought - Topical Questions - Page 523b: 29b


Second-order in X, 0.5-order in Y, first-order in Z Overall order= 3.5

Work Step by Step

Since $[X]$ is raised to the 2nd power, the reaction is second-order in X. $[Y]$ is raised to the $\frac{1}{2}$ power, so the reaction is 0.5-order in Y. $[Z]$ is raised to the first power, so the reaction is first-order in Z. Overall order= Sum of the orders for all substances=2+0.5+1=3.5
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