Answer
Exothermic
Work Step by Step
The sodium hydroxide represents the system and the water represents the surroundings. Since the water becomes warm, then the surroundings have become warmer. Therefore, this is an exothermic reaction.
Chemistry (12th Edition)
by Wilbraham
Published by
Prentice Hall
ISBN 10:
0132525763
ISBN 13:
978-0-13252-576-3
Chapter 18 - Reaction Rates and Equilibrium - 18 Assessment - Page 642: 133
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