To make ice, a freezer that is a reverse Carnot engine extracts 42 kJ as heat at

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To make ice, a freezer that is a reverse Carnot engine extracts 42 kJ as heat at – 15oC during each cycle, with coefficient of performance 5.7. The room temperature is 30.3oC. How much

(a) Energy per cycle is delivered as heat to the room and

(b) Work per cycle is required to run the freezer?

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Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

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Question Posted: Jan 19, 2011 06:47 AM

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To make ice, a freezer that is a reverse Carnot engine extracts 42 kJ as heat at

Question:

Step by Step Answer:

a Eq 2015 provides Kc 191 T 19H QL QHQL 1 Kc Kc which yields QH 49 kJ when Kc 57 and QL 42 ...View the full answer

Fundamentals of Physics

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