Question 8 S.J.T.U. Phase Transformation and Applications 298K时，已知甲醇蒸气的标准摩尔Gibbs生成自由能( CH3OH,g)为一161.92Jmol-1,试求甲醇液体的标准摩尔 Gibbs2生成自由能(CH3OH,I)。己知该温度下甲醇液体的 饱和蒸气压为16.343kPa。假定气体为理想气体。 △G=△G°+RTInJ 4G=0 16.343kPa AG=-RT In J (equlbrum)=-RT'In Ke Gas △G=0 △G°=dG)+eGE-bGg-cG& Liquid Ka b 01 aBQC SJTU Thermodynamics of Materials Spring 2008 ©X.J.Jin Lecture 9 electrochemistry IPhase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Spring 2008 © X. J. Jin Lecture 9 electrochemistry I Question 8 c C b B e E d D K αα αα α = o o o o o D E B C −−+=Δ cGbGeGdGG 298K时，已知甲醇蒸气的标准摩尔Gibbs生成自由能（ CH3OH，g）为－161.92kJ·mol-1，试求甲醇液体的标准摩尔 Gibbs生成自由能（CH3OH，l）。已知该温度下甲醇液体的 饱和蒸气压为16.343kPa。假定气体为理想气体。 α +Δ=Δ ln JRTGG o α KRT α JRTG mequilibriu −=Δ ln ( ) −= ln o ΔG 0 = o i i i f f α ≡ Liquid ΔG=0 16.343kPa Gas