Question: A Carnot engine operates between temperatures of 5C and 500C. The output is used to run a Carnot refrigerator operating between -5C and 25C. How

A Carnot engine operates between temperatures of 5°C and 500°C. The output is used to run a Carnot refrigerator operating between -5°C and 25°C. How many joules of heat energy does the refrigerator exhaust into the room for each joule of heat energy used by the heat engine?

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