An ideal gas, for which cv = 5R/2, passes from points a − b via three paths
a − c − b shown in the figure, a − d − b and a − b. Let P2 = 2P1, v2 = 2v1. a) Calculate
the amount of heat/mol delivered to the gas in each of the three processes, expressing
the result as a function of R and T1. b) Calculate the molar heat of the gas as a function of R,
during the transformation a − b .
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