University Physics with Modern Physics (14th Edition)

by Young, Hugh D.; Freedman, Roger A.

Published by Pearson

ISBN 10: 0321973615

ISBN 13: 978-0-32197-361-0

Chapter 20 - The Second Law of Thermodynamics - Problems - Discussion Questions - Page 676: Q20.15

Answer

There is no violation of the principle of conservation of energy.

Work Step by Step

The refrigerator requires a work input of -230 J (i.e., 230 J of work is supplied to it), and extracts 346 J of heat from the cold reservoir, while expelling 576 J of heat to the hot reservoir. There is no energy lost or gained.

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