(a) How much work must a Carnet refrigerator do on a hot day to transfer 1000 J...
(b) How much work must the same refrigerator do to transfer the same amount of heat if the interior temperature is the same, but the outside air is at only 15.0°C?
(c) Sketch pV diagrams for these two situations. Can you explain in physical terms why more work must be done when the temperature difference between the two isothermal stages is greater?
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