Chemistry: An Introduction to General, Organic, and Biological Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0321908449
ISBN 13: 978-0-32190-844-5

Chapter 7 - Section 7.8 - Energy in Chemical Reactions - Challenge Questions - Page 251: 7.109b

Answer

The reaction is exothermic.

Work Step by Step

According to the exercise, the compound $(C_2H_2)$ $releases$ 1300 kJ when 1 mole of it undergoes combustion. The release of energy (in the form of heat) is characteristic of exothermic reactions.
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