Answer to Question #148768 in Mechanical Engineering for Drew

Question #148768
If 6 liters of a gas at a pressure of 100 kPaa are compressed reversibly according tp PV2 = C until the volume becomes 2 liters, find (a) the final pressure in kPaa, and (b) the work in kJ.
1
Expert's answer
2020-12-07T03:49:39-0500

Given V1= 6 liters

P1=100 Kpa

V2= 2 liters=

Process

Kpa(final pressure)

work done = Pdv

Work done during polytrophic process n is given by



Kj

here negative sign represents work done on the system





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