Chemistry 9th Edition

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

Chapter 12 - Chemical Kinetics - Review Questions: 9

Answer

The collision model is based on the concept that molecules must collide to react. a) a larger activation energy means a lower rate of reaction b) a higher temperature means a higher rate of reaction c) a higher frequency of collisions means a higher rate of reaction d) a higher frequency of correctly oriented collisions means a higher rate of reaction.

Work Step by Step

a) a higher activation energy makes it harder for the molecules to react because it is less likely that the molecules will react when they collide. b) a higher temperature makes the molecules move faster, and this increases the chances of collisions c) a higher frequency of collisions gives more opportunities for reactions to occur d) a higher frequency of correctly oriented collisions means that the molecules are more likely to react when they collide.
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