Chemistry 9th Edition

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

Chapter 12 - Chemical Kinetics - Questions: 20

Answer

a) The blue plot represents the catalyzed pathway. b) $\Delta E_1$ represents the activation energy. c) $\Delta E_2$ represents the enthalpy of reaction. d) The reaction is endothermic.

Work Step by Step

a) The blue plot represents the catalyzed pathway because it has a lower activation than the purple plot. b) $\Delta E_1$ represents the activation energy because it indicates the amount of energy needed to begin the reaction process. c) $\Delta E_2$ represents the enthalpy of reaction because it shows the potential energy difference between the products and the reactants. d) The reaction is endothermic because the potential energy of the products is greater than that of the reactants meaning that the reaction must have had a net increase in energy.
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