Physics: Principles with Applications (7th Edition)

Published by Pearson
ISBN 10: 0-32162-592-7
ISBN 13: 978-0-32162-592-2

Chapter 14 - Heat - Problems - Page 409: 25

Answer

$7.1\times10^6J$

Work Step by Step

The silver must first be heated to the melting temperature, and then liquified. $$Q=Q_{heat}+Q_{melt}$$ $$Q=mc\Delta T+mL$$ $$Q=(23.50kg)(\frac{230J}{kg\cdot C^{\circ}})(961^{\circ}C-25^{\circ}C)+(23.50kg)(0.88\times10^5J/kg)$$ $$Q=7.1\times10^6J$$
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