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Question

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1) Which of the following are true? (Choose all the apply)

A) For the gas to do positive work, the cycle must be traversed in a clockwise manner.
B) Positive heat is added to the gas as it proceeds from state C to state D.
C) The net work done by the gas is proportional to the area inside the closed curve.
D) The heat transferred as the gas proceeds from state B to state C is greater than the heat transferred as the gas proceeds from state D to state A.

2) Find the total work W done by the gas after it completes a single Carnot cycle.
(I.E. What is W= ? Express the work in terms of any or all of the quantities Q_h, T_h, Q_c, and T_c.)

Explanation / Answer

1) A) True. B) False C) True D) False. 2) W = Q_h - Q_c or W = (1 - T_c/T_h)*Q_h

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