Determine the entropy change of air and work


Discuss the below in detail:

Q: Air is compressed in a piston-cylinder device from 90 kPa and 20°C to 400 kPa in a reversible isothermal process. Determine

(a) The entropy change of air and

(b) The work done.

You should solve the problem in  a step by step.You must include all the units which are needed to solve the given problem.

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Mechanical Engineering: Determine the entropy change of air and work
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