Chemistry (4th Edition)

Published by McGraw-Hill Publishing Company
ISBN 10: 0078021529
ISBN 13: 978-0-07802-152-7

Chapter 5 - Questions and Problems - Page 222: 5.35


728 kJ

Work Step by Step

Specific heat of copper metal $s=0.385\,J/g\cdot \,^{\circ}C$ Mass $m= 6.22\,kg=6220\,g$ Change in temperature $\Delta T= (324.3-20.5)^{\circ}C=303.8^{\circ}C$ Heat absorbed $q=sm\Delta T$ $=0.385\,J/g\cdot \,^{\circ}C\times6220\,g\times303.8^{\circ}C$ $=728000\,J=728\,kJ$
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