If one mole of an ideal gas `(C_(p.m.)=(5)/(2)R)` is expanded isothermally at 300K until it’s volume is tripled, then change in entropy of gas is:A. zeroB. infinityC. `(5)/(2)R ln 3`D. `R ln 3`

If one mole of an ideal gas `(C_(p.m.)=(5)/(2)R)` is expanded isotherm

1.	If one mole of an ideal gas `(C_(p.m.)=(5)/(2)R)` is expanded isothermally at 300K until it’s volume is tripled, then change in entropy of gas is:A. zeroB. infinityC. `(5)/(2)R ln 3`D. `R ln 3`
Answer» Correct Answer - D `DeltaS=nRln.(V_(2))/(V_(1))=1R ln.(3V)/(V)=Rln3`

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If one mole of an ideal gas `(C_(p.m.)=(5)/(2)R)` is expanded isothermally at 300K until it’s volume is tripled, then change in entropy of gas is:A. zeroB. infinityC. `(5)/(2)R ln 3`D. `R ln 3`

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