## Chemistry (12th Edition)

Published by Prentice Hall

# 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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