The Figure Shows a PV Diagram for a Gas Going

question 32

Short Answer

The figure shows a pV diagram for a gas going through a cycle from A to B to C and back to A. From point A to point B, the gas absorbs 50 J of heat and finds its internal (thermal)energy has increased by 20 J. Going from B to C, the internal (thermal)energy decreases by 5.0 J.
(a)How much work was done by the gas from A to B?
(b)How much heat was absorbed by the gas from B to C?
(c)How much work was done by the gas going from B to C?

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