N mole of an ideal gas with constant volume heat capacity C_V undergo an isobaric expansion by a certain volume. The ratio of the work done in the process to the heat supplied is:
4nRCV−nR
nRCV−nR
4nRCV+nR
nRCV+nR
Solution:
Correct option is C. nRCV+nR w=nRΔT ΔH=(Cv+nR)ΔT w/ΔH=nR/(Cv+nR)