Question

A thermodynamic system is taken from an original state to an intermediate state by the linear process shown in Fig. (12.13) Its volume is then reduced to the original value from E to F by an isobaric process. Calculate the total work done by the gas from D to E to F.

Answer 1

HEY DEAR ... ✌️

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We know ,
Total work done by the gas from D to E to F = Area of ΔDEF

Area of ΔDEF = (1/2) DE × EF

Where,
DF = Change in pressure
= 600 N/m2 – 300 N/m2
= 300 N/m2

FE = Change in volume
= 5.0 m3 – 2.0 m3
= 3.0 m3

Area of ΔDEF = (1/2) × 300 × 3
= 450 J

Therefore, the total work done by the gas from D to E to F is 450 J.

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HOPE , IT HELPS ... ✌️