A refrigerator with a coefficient of performance of4 transfers heat from a cold region at -20C to a hot regionat 30C. Calculate the total entropy change of the regionswhen 1 kJ of heat is transferred from the cold region. Is thesecond law satisfied? Will this refrigerator still satisfy thesecond law if its coefficient of performance is 6?

A refrigerator with a coefficient of performance of4 transfers heat from a cold region at -20C to a hot regionat 30C. Calculate the total entropy change of the regionswhen 1 kJ of heat is transferred from the cold region. Is thesecond law satisfied? Will this refrigerator still satisfy thesecond law if its coefficient of performance is 6?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter4: The Second Law Of Thermodynamics

Section: Chapter Questions

Problem 29P: A refrigerator has a coefficient of performance of 3.0. (a) If it requires 200 J of work per cycle,...

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