How much work must be done to extract 15 j of heat from a

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How much work must be done to extract 1.5 J of heat from a reservoir at 7.0 deg C and transfer it to one at 26.0 deg C by means of a refrigerator using a Carnot cycle.

How much work must be done if the temperature of the cold reservoir is reduced to -77 deg C and the hot one held at 26.0 deg C.

Reference no: EM13642413

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