Question: An ideal reversible refrigerator keeps its inside compartment at 9C. What is the high temperature, 7, needed to give this refrigerator a coefficient of performance

An ideal reversible refrigerator keeps its inside compartment at 9"C. What is the high temperature, 7, needed to give this refrigerator a coefficient of performance of 2.1? O 13'C 143"C O 28'C O 601'C

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