Engineering
Physics
Thermodynamics
Question

n moles of an ideal gas with constant volume  heat capacity CV undergo an isobaric expansion by certain volume. The ratio of the work done in the process, to the heat supplied is :

4nRCV−nR

nRCV+nR

4nRCV+nR

nRCV−nR

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Solution

w = nR∆T

∆H = (Cv + nR)∆T

ωΔH=nRCv+nR