Question: In a cryogenic experiment a container is maintained at -120oC, although it gains 200 W due to heat transfer from the surroundings. What is the

In a cryogenic experiment a container is maintained at -120oC, although it gains 200 W due to heat transfer from the surroundings. What is the minimum power of a motor that is needed for a heat pump to absorb heat from the container and reject heat to the room at 25oC?

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