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One-quarter kilogram of air is compressed in a piston-cylinder device from 350 K and 150 kPa...

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Mechanical Engineering

One-quarter kilogram of air is compressed in a piston-cylinderdevice from 350 K and 150 kPa to 550 K and 900 kPa. Determine

a. The entropy change, in KJ/K.

b. The direction of any heat transfer by using the entropybalance.

c. What-if scenario: If this process occurs adiabatically, isthis process reversible, irreversible, or impossible process?Please answer the nature of this process and why.

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