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020 (part 1 of 2) 10.0 points A refrigerator absorbs 2.5 kJ of energy from a cold reservoir and rejects 8.5 kJ to a hot

020 (part 1 of 2) 10.0 points

A refrigerator absorbs 2.5 kJ of energy from a cold reservoir and rejects 8.5 kJ to a hot reservoir.

Find the coefficient of performance of the refrigerator

021 (part 2 of 2) 10.0 points

The refrigerator is reversible and is run backward as a heat engine between the same two reservoirs. What is its efficiency?

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