Chemistry (7th Edition)

Published by Pearson
ISBN 10: 0321943171
ISBN 13: 978-0-32194-317-0

Chapter 9 - Thermochemistry: Chemical Energy - Section Problems - Page 351: 53

Answer

∆H is negative for exothermic reactions as the heat is released.

Work Step by Step

∆H is positive for endothermic reactions as heat is absorbed in this case.
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