Chemical Thermodynamics Example Assume vapor pressure of the - PowerPoint PPT Presentation

Dec 06, 2022 •509 likes •602 views

Chemical Thermodynamics Example Assume vapor pressure of the components in solution can be represented by a 2 * X P X P e 2 1 1 1 a 2 * X P X P e 1 2 2 2 What is the relationship between a and b ?

Chemical Thermodynamics
Example Assume vapor pressure of the components in  solution can be represented by a  2 * X P X P e 2 1 1 1 a  2 * X P X P e 1 2 2 2 What is the relationship between a and b ?  Chemical Thermodynamics CEM 484 2
Activities Hide all non-ideal aspects in activity coefficient  Chemical Thermodynamics CEM 484 3
Activities For a dilute solution of solute j in solvent i:  Chemical Thermodynamics CEM 484 4
Activities Common concentration units can be written in  terms of activity. Molality  Molarity  Chemical Thermodynamics CEM 484 5
Chemical Equilibrium For a generic chemical reaction, define the extent  of reaction. Look at Gibbs free energy as a function of reaction  extent. Chemical Thermodynamics CEM 484 6
Chemical Equilibrium Derivative of Gibbs free energy relative to reaction  extent can help define the location of equilibrium. Chemical Thermodynamics CEM 484 7
Chemical Equilibrium Continued ….  Results in the equilibrium constant, K.  Chemical Thermodynamics CEM 484 8

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