Chemistry: A Molecular Approach (3rd Edition)

Published by Prentice Hall
ISBN 10: 0321809246
ISBN 13: 978-0-32180-924-7

Chapter 6 - Sections 6.1-6.10 - Exercises - Problems by Topic: 58c

Answer

Endothermic; Positive $\Delta H$

Work Step by Step

A cold pack used for athletic injuries is an endothermic reaction. The heat from a person's skin, which is a part of their surroundings, is transferred to the cold pack.
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