20 0 V (dm ) P(kPa) 10 20 30 A B C An ideal gas undergoes a cyclic transformation starting from the point A and coming back to the same point by tracing the path A B C A as shown in the diagram. The t

Question

20 0 V (dm ) P(kPa) 10 20 30 A B C An ideal gas undergoes a cyclic transformation starting from the point A and coming back to the same point by tracing the path A B C A as shown in the diagram. The total work done in the process is _____ J.

Prashant Kotian · Accepted Answer

Correct answer: .. Work done is given by area enclosed in the P vs V cyclic graph or V vs P cyclic graph. Sign of work is positive for clockwise cyclic process for V vs P graph. W = 1 2 × (30 – 10) × (30 - 10) = 200 kPa – dm3 = 200 × 1000 Pa – L = 2 L-bar = 200 J

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