Question: An ideal gas is taken through the reversible processes shown in Fig. 12.21. (a) Is the overall change in the internal energy of the gas

An ideal gas is taken through the reversible processes shown in Fig. 12.21.

(a) Is the overall change in the internal energy of the gas (1) positive, (2) zero, or (3) negative? Explain.
(b) In terms of state variables p and V, how much work is done by or on the gas, and
(c) What is the net heat transfer in the overall process?

2p Volume

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