OUTLINE OF CHAPTER 9

OUTLINE OF CHAPTER 9 - OUTLINE OF CHAPTER 9 IDEAL GAS...

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OUTLINE OF CHAPTER 9 IDEAL GAS MIXTURES We expect no interaction between molecules. Then and therefore
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COMPONENT CHEMICAL POTENTIAL AND FUGACITY CALCULATION We start with Commutative property tells So that The second leads to
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Thus, we define fugacity of a component in a mixture And the fugacity coefficient and therefore
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Dependence with T Change of Chemical potential with composition at constant T and P We start with: But recall Then:
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So we get Or Phase equilibrium says . Then In analogy to pure component, we define fugacity of the mixture as follows: Not a partial molar fugacity!!!!!!
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Computing fugacity. Start with Use triple product In the following form Then substitute in to get which is similar to that of a pure fluid.
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EXCESS PROPERTIES Ideal Mixture… It is easy to check (Chapter 8): Since we have
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and Although all the above equations resemble a lot those of the ideal gas mixtures, these are properties of real gases, then all the techniques from Chapter 6 apply. Thus molar volume is not equal to RT/P and
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This note was uploaded on 08/31/2011 for the course CHE 3473 taught by Professor Staff during the Spring '08 term at Oklahoma State.

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OUTLINE OF CHAPTER 9 - OUTLINE OF CHAPTER 9 IDEAL GAS...

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