Air of 0.5 kg mass is compressed in a piston-cylinder device from 300 K, 120 kPa...

Air of 0.5 kg mass is compressed in a piston-cylinder device from 300 K, 120 kPa to 500K, 940 kPa. (a) Determine the entropy change in kJ/K using (i) approximate analysis and (ii) exact analysis. (b) Determine the direction of heat transfer (into the device or out of the device).

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samet mamat answered 1 year ago

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