Chapter 11 Solution thermodynamics: Theory
Chapter 11 Solution thermodynamics: Theory
Purpose: To develop the theoretical foundation for applications of thermodynamics to gas mixtures and liquid solutions 且的 1、了解溶液热力学的基本概念 2、学习溶液热力学的基本原理 3、为相平衡的学习打下基础
Purpose: To develop the theoretical foundation for applications of thermodynamics to gas mixtures and liquid solutions 目的 1、了解溶液热力学的基本概念 2、学习溶液热力学的基本原理 3、为相平衡的学习打下基础
Purpose: To develop the theoretical foundation for applications of thermodynamics to gas mixtures and liquid solutions Main idea: Property relations for mixture Chemical potential Partial properties Fugacity and fugacity coefficient Ideal solution Excess properties
Purpose: To develop the theoretical foundation for applications of thermodynamics to gas mixtures and liquid solutions Main idea: Property relations for mixture Fugacity and fugacity coefficient Partial properties Chemical potential Ideal solution Excess properties
content 11.1 Fundamental Property Relation 11.2 The chemical Potential and Phase Equilibrium 11.3 Partial Properties 11.4 Ideal-Gas Mixture 11.5 Fugacity and Fugacity Coefficient:Pure Species 11.6 Fugacity and Fugacity Coefficient:Species in Solution 11.7 Generalized Correlations for the Fugacity Coefficient 11.8 The Ideal Solution 11.9 Excess Properties
content 11.1 Fundamental Property Relation 11.2 The chemical Potential and Phase Equilibrium 11.3 Partial Properties 11.4 Ideal-Gas Mixture 11.5 Fugacity and Fugacity Coefficient: Pure Species 11.6 Fugacity and Fugacity Coefficient: Species in Solution 11.7 Generalized Correlations for the Fugacity Coefficient 11.8 The Ideal Solution 11.9 Excess Properties
11.1 Fundamental Property Relation REVIEW Fundamental Property Relations of Thermodynamics for Homogeneous Phase System For one mol For n mol dU TdS-Pdv d(nU)=Td(nS)-Pd(nv) (nG) dH TdS+Vap d(nH)=Td(nS)+(nV)d(nP) OP dA=-Pdv-SdT d(nA)=-Pd(nV)-(nS)d(nT) anG) P n =-nS dG =Vdp-SdT d(nG)=(nV)dp-(nS)dT 四个微分方程式，是我们常用到的微分方程， 使用这些方程时一定要注意以下几，点： 1.恒组分、恒质量体系，也就是封闭体系； 2.均相体系（单相)； 3.平衡态间的变化； 4.常用于1摩尔时的性质
11.1 Fundamental Property Relation REVIEW Fundamental Property Relations of Thermodynamics for Homogeneous Phase System dU TdS PdV dH TdS VdP dA PdV SdT dG VdP SdT = − = + =− − = − For one mol For n mol ( ) () ( ) ( ) ( ) ( )( ) ( ) ( ) ( )( ) ( )( ) () d nU Td nS Pd nV d nH Td nS nV d nP d nA Pd nV nS d nT d nG nV dP nS dT = − = + =− − = − , , ( ) [ ] ( ) [ ] T n P n nG nV P nG nS T ∂ = ∂ ∂ = − ∂