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?
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?
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter15: Thermodynamics
Section: Chapter Questions
Problem 8PE: (a) How long will the energy in a 1470kJ (350kcal) cup of yogurt last in a woman doing work at the...
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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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