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Back to 4.5 The Carnot Cycle

4.5 Exercise 2

Avg difficulty 2.5

A Carnot refrigerator operates between two heat reservoirs whose temperatures are 0°C0 ° \text{C} and 25°C25 ° \text{C}. (a) What is the coefficient of performance of the refrigerator? (b) If 200 J of work are done on the working substance per cycle, how much heat per cycle is extracted from the cold reservoir? (c) How much heat per cycle is discarded to the hot reservoir?

OpenStax University Physics Volume 2, 4.5 The Carnot Cycle, exercise 2

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Adapted from University Physics Volume 2 © 2016 Rice University. Licensed under CC BY 4.0. Source: University Physics Volume 2. Imported at revision db44eb9.