A 2.00 L container of left-over soup at a temperature of 323 K is placed in a refrigerator. Assume the specific heat of the soup is the same as that of water and the density is 1.25 x 103 kg/m3. The refrigerator cools the soup to 283 K. If the K is 5.00, find the energy needed, in the form of work, to cool the soup.If the compressor has the power rating of 0.250 hp, for what minimum length of time must it operate to cool the soup to 283 K?

The container's volume is V = 2 Lt = 2 x 10-3 m3 The temperature of the left-over soup is Th = 323 K…

Answered: A 2.00 L container of left-over soup at…

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter22: Entropy And The Second Law Of Thermodynamics

Section: Chapter Questions

Problem 30PQ

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A 2.00 L container of left-over soup at a temperature of 323 K is placed in a refrigerator. Assume the specific heat of the soup is the same as that of water and the density is 1.25 x 103 kg/m3. The refrigerator cools the soup to 283 K.

If the K is 5.00, find the energy needed, in the form of work, to cool the soup.
If the compressor has the power rating of 0.250 hp, for what minimum length of time must it operate to cool the soup to 283 K?

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