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Carnot Cycle

A refrigerato...

Question

A refrigerator uses 400 J of work to remove 200 J of heat from its contents. How much heat must it reject to its surroundings?

A

400 J

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B

200 J

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C

600 J

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D

800 J

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Solution

The correct option is C 600 J
The refrigerator must reject an amount of heat to the room equal to the sum of the work done by the refrigerator and the heat removed from its contents or 400 J + 200 J = 600 J

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