Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning
ISBN 10: 1133949649
ISBN 13: 978-1-13394-964-0

Chapter 8 Bonding and Molecular Structure - Study Questions - Page 337d: 63


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Work Step by Step

For this reaction 2 H-H bonds and 1 O=O are broken, 4 O-H bonds are formed. Since the energies are for bond dissociation, 4 times the bond dissociation energy (b.d.e) for the O-H bond must be subtracted from the sum of the b.d.e. for O=O with 2 times the b.d.e. for H-H. The result will be an estimate for the enthalpy of the reaction.
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