The PV Diagram Shown Is for 7

question 95

Essay

The pV diagram shown is for 7.50 moles of an ideal diatomic gas taken through a cycle from a to b to c.The ideal gas constant is R = 8.314 J/mol ∙ K. (a)What is the highest temperature reached by the gas during the cycle?
(b)What net work does the gas do during the cycle?
(c)How much heat is exchanged with the gas during part bc of the cycle? Does it enter or leave the gas?
(d)What is the change in the internal (thermal)energy of the gas during part bc of the cycle?
(e)What is the change in the internal (thermal)energy of the gas during the entire cycle?

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