A certain refrigerator requires 31.0J of work to remove 150J of heat from its interior. 1. What is the coefficient of performance? 2. How much heat is rejected to the surroundings at 21C? 3. If the refrigerator cycle is reversable, what is the temperature inside the refrigerator?

A certain refrigerator requires 31.0J of work to remove 150J of heat from its interior. 1. What is the coefficient of performance? 2. How much heat is rejected to the surroundings at 21C? 3. If the refrigerator cycle is reversable, what is the temperature inside the refrigerator?

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter15: Thermodynamics

Section: Chapter Questions

Problem 42PE: (a) What is the best coefficient of performance for a refrigerator that cools an environment at...

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Step 2: Calculation for coefficient of performance.

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Step 4: Calculation for temperature inside the refrigerator.

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