Question

Work done in a vapor compression
refrigerator is positive or negative

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Answer 1

Answer:

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Explanation:

→ The workdone of vapor compression referigerator is as follows :

→ The working vapor-compression refrigeration employs a heat engine run backwards, so heat energy is taken from a cold reservoir and deposited into a hot reservoir. By the Second Law of Thermodynamics, heat energy does not spontaneously transfer from a cold to a hot reservoir.

→ Work done by the system is positive.

→ Work done on the system is negative.

Answer 2

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The working vapor-compression refrigeration employs a heat engine run backwards, so heat energy is taken from a cold reservoir and deposited into a hot reservoir. By the Second Law of Thermodynamics, heat energy does not spontaneously transfer from a cold to a hot reservoir. → Work done by the system is positive.