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Multi-component Homogeneous System: Solution Thermodynamics
Byeong-Joo Lee POSTECH - MSE
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Thermodynamic Properties of Gases - mixture of ideal gases
1 mole of ideal constant T: Mixture of Ideal Gases Definition of Mole fraction: xi Definition of partial pressure: pi Partial molar quantities:
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Thermodynamic Properties of Gases - mixture of ideal gases
Heat of Mixing of Ideal Gases Gibbs Free Energy of Mixing of Ideal Gases Entropy of Mixing of Ideal Gases
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Thermodynamic Properties of Gases - Treatment of nonideal gases
Introduction of fugacity, f as For Equation of state ※ actual pressure of the gas is the geometric mean of the fugacity and the ideal P ※ The percentage error involved in assuming the fugacity to be equal to the pressure is the same as the percentage departure from the ideal gas law
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Thermodynamic Properties of Gases - Treatment of nonideal gases
Alternatively, Example) Difference between the Gibbs energy at P=150 atm and P=1 atm for 1 mole of nitrogen at 0 oC
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+ → Solution Thermodynamics - Mixture of Condensed Phases Vaper A: oPA
Condensed Phase A Vaper B: oPB Condensed Phase B Vaper A+ B: PA + PB Condensed Phase A + B + → for gas
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Solution Thermodynamics - ideal vs. non-ideal solution
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Draw a composition-activity curve for an ideal and non-ideal solution
Solution Thermodynamics - Thermodynamic Activity Thermodynamic Activity of a Component in Solution → for ideal solution Draw a composition-activity curve for an ideal and non-ideal solution Henrian vs. Raoultian
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Solution Thermodynamics - Partial Molar Property
▷ Partial Molar Quantity ▷ Molar Properties of Mixture Gibbs-Duhem Equation
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Solution Thermodynamics - Partial Molar Quantity of Mixing
definition of solution and mechanical mixing where is a pure state value per mole 왜 partial molar quantity를 사용해야 하는가?
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Solution Thermodynamics - Partial Molar Quantities
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Solution Thermodynamics - Partial Molar Quantities
Evaluation of Partial Molar Properties in 1-2 Binary System Partial Molar Properties from Total Properties example) Partial molar & Molar Gibbs energy Gibbs energy of mixing vs. Gibbs energy of formation Graphical Determination of Partial Molar Properties: Tangential Intercepts Evaluation of a PMP of one component from measured values of a PMP of the other example)
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Solution Thermodynamics - Chemical Potential as a Partial Molar Quantity
※ Relationships among Partial Molar Quantities: Chapter 5에서 언급한 Thermodynamic Relationship 들이 모두 적용됨
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Solution Thermodynamics - Non-Ideal Solution
▷ Activity Coefficient ▷ Behavior of Dilute Solutions
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Example Gibbs energy of formation과 Gibbs energy of mixing의 차이는 무엇인가? 2. Solution에서 한 성분이 Henrian 또는 Raoultian 거동을 한다는 것을 무엇을 의미하는가? Molar Gibbs energy가 다음과 같이 표현되는 A-B 2원 Solution phase에서 각 성분은 dilute 영역에서는 Henrian 거동을, rich 영역에서는 Raoultian 거동을 보인다는 것을 증명하시오.
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Solution Thermodynamics - Use of Gibbs-Duhem Relation - I
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Solution Thermodynamics - Use of Gibbs-Duhem Relation - II
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Solution Thermodynamics - Introduction of α-function
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Solution Thermodynamics - Composition Dependence of α-function
Fe-Ni Fe-Cu
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Hildebrand, 1929. (using van Laar Equation)
Solution Thermodynamics - Regular Solution Model Margules, 1895. Hildebrand, (using van Laar Equation)
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Solution Thermodynamics - Quasi-Chemical Model, Guggenheim, 1935.
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Solution Thermodynamics - Regular Solution Model
Sn-In Sn-Bi
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Solution Thermodynamics - Sub-Regular Solution Model
Sn-Zn Fe-Ni
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Composition and temperature dependence of Ω
Solution Thermodynamics - Regular Solution Model Composition and temperature dependence of Ω Extension into ternary and multi-component system Sublattice Model Inherent Inconsistency
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