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Prbset13 - CHEMICAL ENGINEERING THERMODYNAMICS COURSE NO...

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CHEMICAL ENGINEERING THERMODYNAMICS COURSE NO.: CHEG301 STUDENT: ___________________ COURSE: Thermodynamics INSTRUCTOR: Prof. Anderson SUBJECT: Problem Set 13 DUE: Wednesday, Nov. 28, 2007 1. At 35 ° C Kudryavtseva and Susarev report the following vapor-liquid equilibrium data for the systems acetone(1) and n -hexane(2). x 1 y 1 P , mm Hg -------- -------- -------------- 0.0000 0.0000 228.50 0.0862 0.3240 331.60 0.1902 0.4760 398.20 0.2945 0.5400 425.40 0.3917 0.5780 437.60 0.4945 0.6000 445.90 0.5996 0.6280 446.50 0.6995 0.6480 446.70 0.8049 0.7000 439.00 0.9060 0.7800 415.50 1.0000 1.0000 348.50 Check the thermodynamic consistency of these data using the area (integral) test. 2. For the vapor-liquid equilibrium data given in Problem 1, determine the optimum parameters for the 3-suffix Margules equation. Compare the predicted azeotrope using the Margules parameters that you determined with the experimental value of x 1 = y 1 = 0.6325 and P = 446.80 mm Hg. 3. An equi-molar liquid mixture of benzene and n -butane is fed to an isothermal flash
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