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 - Review Questions - Page 287: 21

Answer

An endothermic reaction is a chemical reaction that absorbs heat from its surroundings, whereas an exothermic reaction is a chemical reaction that releases heat to its surroundings.

Work Step by Step

$\Delta$H is positive for endothermic reactions and negative for exothermic reatcions
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