Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0132525763
ISBN 13: 978-0-13252-576-3

Chapter 17 - Thermochemistry - 17 Assessment - Page 586: 65

Answer

$\Delta$H = -1676 kJ endothermic

Work Step by Step

Formation is the opposite of decomposition. Flip the equation and change the sign of the enthalpy change. The original decompostion reaction is endothermic because $\Delta$H is positive
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