Chemistry and Chemical Reactivity (9th Edition)

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

Chapter 12 The Solid State - Study Questions - Page 467b: 32


$1.62\ kJ$

Work Step by Step

Heating to melting point: $\Delta H=m.c.\Delta T=5.00\ g\times 0.235\ J/g.K\times (962-25)\ K=1101\ J=1.10\ kJ$ Melting: $\Delta H=m.h_f=5.00\ g\times 11.3\ kJ/mol\div 107.868\ g/mol=0.52\ kJ$ Total: $1.62\ kJ$
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