PS5 ChE 313 06

PS5 ChE 313 06 - ChE 313 Summer 2005 PS5 Due Wednesday You...

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ChE 313 - Summer 2005 - PS5 – Due Wednesday 6/7/06 You may work in pairs when solving this problem. Turn in one solution with both names on it to Nick in Section on Wednesday 6/7/06. A correct solution is worth the same as a quiz to both of you. The goal here is to generate a plot of the generalized van der Waals equation of state in dimensionless variables π =P/Pc, ν =v/vc , and τ =T/Tc, and to investigate its accuracy. Use the information in you class notes to check my derivations for the equation of state and chemical potential of the van der Waals fluid. Plot π vs. ν for the critical isotherm τ =1 and for various values above and below it, say τ =0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 2.0, 3.0, 4.0. I think you will need the π -axis to range from 0 to about 4 and the ν -axis to range from 0 to about 10 to get a good plot. [The isotherms for τ <1 should have “loops” like those in SVN’s Fig. 3.11.] Solve the coupled coexistence equations for τ <1, which are π liquid ( ν liquid
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This note was uploaded on 10/18/2009 for the course CHEM 313 taught by Professor Staff during the Fall '08 term at Cornell.

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