A reversible cycle executed by 1 mol of an ideal gas for which CP = (5/2)R and C

Question

A reversible cycle executed by 1 mol of an ideal gas for which CP = (5/2)R and CV = (3/2)R consists of the following: Starting at T1 = 700 K and P1 = 1.5 bar, the gas is cooled at constant pressure to T2 = 350 K. From 350 K and 1.5 bar, the gas is compressed isothermally to pressure P2. The gas returns to its initial state along a path for which PT = constant. What is the thermal efficiency of the cycle? View comments (3)

A reversible cycle executed by 1 mol of an ideal gas for which CP = (5/2)R and CV = (3/2)R consists of the following: Starting at T1 = 700 K and P1 = 1.5 bar, the gas is cooled at constant pressure to T2 = 350 K. From 350 K and 1.5 bar, the gas is compressed isothermally to pressure P2. The gas returns to its initial state along a path for which PT = constant. What is the thermal efficiency of the cycle? View comments (3)

A reversible cycle executed by 1 mol of an ideal gas for which CP = (5/2)R and CV = (3/2)R consists of the following: Starting at T1 = 700 K and P1 = 1.5 bar, the gas is cooled at constant pressure to T2 = 350 K. From 350 K and 1.5 bar, the gas is compressed isothermally to pressure P2. The gas returns to its initial state along a path for which PT = constant. What is the thermal efficiency of the cycle? View comments (3)

Explanation / Answer

Efficiency of the cycle is 1-Tc/TH

Here Tc is 350 K and TH is 700 K.

effieciency of the cycle is 50 %

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