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Chemical Engineering Thermodynamics Lecturer: Zhen-xi Jiang (Ph.D. U.K.) School of Chemical Engineering

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Chapter 11 Solution Thermodynamics: Theory

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11 Solution Thermodynamics: Theory Special terms ： Solution 溶液 Solution thermodynamics 溶液热力学，溶解热力学 Property Relation 性质关系

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11 Solution Thermodynamics: Theory Special terms ： Chemical potential 化学势 Molar property 摩尔性质 Partial molar property 偏摩尔性质 Success property 超额性质

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11 Solution Thermodynamics: Theory Special terms ： Molar property 摩尔性质 Partial molar property 偏摩尔性质 Apparent molar property 表观摩尔性质 Residual property 残余性质 Excess property 超额性质 Excess partial property 超额偏性质

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11 Solution Thermodynamics: Theory Special terms ： 这些性质均为广度性质

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11 Solution Thermodynamics: Theory Special terms ： Molar property 摩尔性质

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11 Solution Thermodynamics: Theory Special terms ： Partial molar property 偏摩尔性质 Partial molar properties are thermodynamic quantities which indicate how any extensive property of a solution or mixture varies with changes in the molar composition of the mixture at constant temperature and pressure. Every extensive property of a mixture has a corresponding partial molar property.extensive propertysolutionmixture

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11 Solution Thermodynamics: Theory Special terms ： Residual property 残余性质 A residual property is defined as the difference between the actual property value of a gas and the value it would have as an ideal gas at the same temperature, pressure. This property used for pure species in gas phase.

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11 Solution Thermodynamics: Theory Special terms ： Partial residual property 偏残余性质 A partial residual property is defined as the difference between.

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11 Solution Thermodynamics: Theory Special terms ： Excess property 超额性质 (for solution only) An excess property is defined as the difference between the actual property value of a solution and the value it would have as an ideal solution at the same temperature, pressure, and composition.

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11 Solution Thermodynamics: Theory Special terms ： Molar property 摩尔性质 Partial molar property 偏摩尔性质 Excess property 超额性质 Residual property 残余性质 Apparent molar property 表观摩尔性质 这些性质均为广度性质

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11 Solution Thermodynamics: Theory Special terms ： 均相二组分或多组分系统称为 Mixture 或 Solution For gas phase: gas mixture For liquid phase: liquid solution For solid phase: solid solution Most commonly, solution is used for liquid mixture

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11 Solution Thermodynamics: Theory Special terms ： What is canonical ? Basic, canonic, canonical: reduced to the simplest and most significant form possible without loss of generality, e.g., "a basic story line"; "a canonical syllable pattern.".

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11 Solution Thermodynamics: Theory End

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Properties of Solutions. Concentration Terms Dilute - not a lot of solute. Concentrated - a large amount of solute. Concentration can be expressed quantitatively.

Properties of Solutions. Concentration Terms Dilute - not a lot of solute. Concentrated - a large amount of solute. Concentration can be expressed quantitatively.

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