Fixed mass of an ideal gas collected in a 24.64 litre sealed rigid vessel at 10 atm is heated from `-73^(@)C` to `27^(@)C` calculate change in gibbs free energy if entropy of gas is a function of temperature as `S=2+10^(-2)T(J//K)(1l atm=0.1kJ)`A. `1231.5` JB. `1281.5` JC. `781.5` JD. 0

Fixed mass of an ideal gas collected in a 24.64 litre sealed rigid ves

1.	Fixed mass of an ideal gas collected in a 24.64 litre sealed rigid vessel at 10 atm is heated from `-73^(@)C` to `27^(@)C` calculate change in gibbs free energy if entropy of gas is a function of temperature as `S=2+10^(-2)T(J//K)(1l atm=0.1kJ)`A. `1231.5` JB. `1281.5` JC. `781.5` JD. 0
Answer» Correct Answer - C At constant volume, `(P_(1))/(T_(1))=(P_(2))/(T_(2))` `rArr" "P_(2)=1xx(300)/(200)=(3)/(2)` and `V_(1)=24.63L` for single phase `because" "dG=Vdp-"S dT"` `DeltaG=V.DeltaP-int(2+10^(-2)T).dT` `=1231.5-200-(10^(-2)xx50,000)/(2)` = 781.5 J

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Fixed mass of an ideal gas collected in a 24.64 litre sealed rigid vessel at 10 atm is heated from `-73^(@)C` to `27^(@)C` calculate change in gibbs free energy if entropy of gas is a function of temperature as `S=2+10^(-2)T(J//K)(1l atm=0.1kJ)`A. `1231.5` JB. `1281.5` JC. `781.5` JD. 0

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