850-W refrigerator with a COP of 3.0 extracts heat from the storage chamber at -200C and exhausts it at 400C. What would the COP of an ideal refrigerator operating between the same two temperatures be? How many Joules per hour can the refrigerator extract from the storage chamber?

University Physics Volume 2
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Chapter3: The First Law Of Thermodynamics
Section: Chapter Questions
Problem 24P: It is found that, when a dilute gas expands quasi-statically from 0.50 to 4.0 L, it does 250 J of...
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An 850-W refrigerator with a COP of 3.0 extracts heat from the storage chamber at -200C and exhausts it at 400C. What would the COP of an ideal refrigerator operating between the same two temperatures be? How many Joules per hour can the refrigerator extract from the storage chamber?
4. An 850-W refrigerator with a COP of 3.0 extracts heat from the storage chamber at -20°C and exhausts it at
40°C. What would the COP of an ideal refrigerator operating between the same two temperatures be? How
many Joules per hour can the refrigerator extract from the storage chamber?
Transcribed Image Text:4. An 850-W refrigerator with a COP of 3.0 extracts heat from the storage chamber at -20°C and exhausts it at 40°C. What would the COP of an ideal refrigerator operating between the same two temperatures be? How many Joules per hour can the refrigerator extract from the storage chamber?
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