Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning
ISBN 10: 1133949649
ISBN 13: 978-1-13394-964-0

Chapter 5 Principles of Chemical Reactivity: Energy and Chemical Reactions - Study Questions - Page 217e: 76

Answer

$180.7\ kJ$

Work Step by Step

Melting: $60.1\ g\times 333\ J/g=20.0\ kJ$ Heating: $60.1\ g\times 4.184\ J/g.K\times (100.0-0.0)\ K=25.1\ kJ$ Vaporization: $60.1\ g\times 2256\ J/g=135.6\ kJ$ Total: $20.0\ kJ+25.1\ kJ+135.6\ kJ=180.7\ kJ$
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