Chemistry: The Molecular Science (5th Edition)

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

Chapter 4 - Energy and Chemical Reactions - Questions for Review and Thought - Topical Questions - Page 189d: 62a


Reaction 1: 628 kJ Reaction 2: 587 kJ

Work Step by Step

We add up the enthalpies of the reactants for both reactions: $\Delta H_1 = 436+192=628 KJ$ $\Delta H_2 = 436+`151=587 KJ$
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