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(1 kg) of air at (1.02 bar) and (17°C) is compressed reversibly

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(1 kg) of air at (1.02 bar) and (17°C) is compressed reversibly according to a law (PV1.3 = C), to a pressure of (5.5 bar). Calculate the work done on the air and the heat flow to or from the cylinder walls during the compression.

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Best answer

The absolute temperature is 

T1 = 17 + 273 = 290 K

First we find the final temperature :

The work done is calculated as:

The heat transfer is :

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