Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0132525763
ISBN 13: 978-0-13252-576-3

Chapter 17 - Thermochemistry - 17 Assessment: 84

Answer

-67.1 kJ

Work Step by Step

First use the molar mass of naphthalene to convert grams into moles. The heat of solidification is opposite that of the heat of fusion. Therefore, it has a negative sign. Use the heat of solidification of naphthalene in order to determine the amount of heat removed.
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