Raoult's law and Henry's law S.J.T.U. Phase Transformation and Applications Page 4/45 Raoult's law 1887年,经验定律,P4=P4x4→a4=x4 溶液中溶剂的蒸气压P等于同一温度下纯溶剂的蒸气压 P*A与溶液中溶剂的摩尔分数x4的乘积” Henry's law 1803年,经验定律 XB=k,BPB→PB=kxBxB人YB=1 kx.8?PB “在一定温度下微溶气体在溶液中的平衡组成与该气体的 平衡气相分压成正比” SJTU Thermodynamics of Materials Spring 2010 ©X.J.Jin Lecture 13 Phase RulePhase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Spring 2010 © X. J. Jin Lecture 13 Phase Rule Page 4/45 Raoult’s law and Henry’s law Raoult’s law 1887年,经验定律, A A A A A P P x a x * Henry’s law 1803年,经验定律 , B 1 , xB kx,B PB PB kx B xB * , ? x B PB k “溶液中溶剂的蒸气压PA等于同一温度下纯溶剂的蒸气压 P*A与溶液中溶剂的摩尔分数xA的乘积” “在一定温度下微溶气体在溶液中的平衡组成与该气体的 平衡气相分压成正比