A Carnot refrigerator transfers heat from its inside (6.0 C) to the room air outside (20.0 C).

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A Carnot refrigerator transfers heat from its inside (6.0 °C) to the room air outside (20.0 °C).
(a) Find the coefficient of performance of the refrigerator.
(b) Determine the magnitude of the minimum work needed to cool 5.00 kg of water from 20.0 to 6.0 °C when it is placed in the refrigerator.
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Physics

ISBN: 978-1118486894

10th edition

Authors: David Young, Shane Stadler

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