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 - 8-9 Bond Properties: Order, Length, and Energy - Review & Check for Section 8-9 - Page 331: 3

Answer

B

Work Step by Step

Bonds broken : 2 O-O, 2 O-H Bonds formed: 2 O-H, 1 O=O Enthalpy of reaction: $2×H_{O-O}-H_{O=O}=2×146-498=-206\ kJ/mol$
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