University Physics with Modern Physics (14th Edition)

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: Q20.3


See explanation.

Work Step by Step

The source of the heat is the heat that is extracted from the cold compartment of the refrigerator. This comes from the heat of the warm food that is placed inside the refrigerator, heat from the room when the door is occasionally opened, and the heat that continuously leaks into the compartment from its warmer surroundings, due to imperfect insulation.
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