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

by Timberlake, Karen C.

Published by Prentice Hall

ISBN 10: 0321908449

ISBN 13: 978-0-32190-844-5

Chapter 3 - Section 3.7 - Changes of State - Study Check 3.8 - Page 77: 1

Answer

12 kcal of heat needs to be removed

Work Step by Step

Heat of Fusion of Water = 80 cal/g Heat removed = 150 g x 80 cal /g = 12000 cal 1 kcal = 1000 cal 12000 cal x 1 kcal / 1000 cal = 12 kcal

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