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ceic3001_2010_T3_solution

# ceic3001_2010_T3_solution - d For the diagram constructed...

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SCHOOL OF CHEMICAL SCIENCES & ENGINEERING CEIC3001 Chemical Engineering Applications 2 Tutorial 3 Question 1 The following table contains VLE data for the acetone (1)/methanol (2) system at 55 ° C. P (kPa) x 1 y 1 P (kPa) x 1 y 1 68.728 0 0 99.811 0.6332 0.6772 77.524 0.0858 0.1848 100.999 0.7752 0.7729 82.528 0.1452 0.2694 99.877 0.9080 0.8959 90.088 0.2787 0.4184 96.885 1 1 96.365 0.4480 0.5512 a) Plot the Pxy data and identify the azeotrope. Include labels showing the bubblepoint and dewpoint curves. b) Basing your calculations on the modified Raoult's law, construct a table showing experimental values of 1 ln γ , 2 ln γ and RT x x G E 2 1 / . Plot the three sets of data as a function of x 1 on the same diagram. c) Determine the values of the constants in the Margules equations.

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Unformatted text preview: d) For the diagram constructed in part (b), add curves (no points) representing values of 1 ln γ , 2 ln γ calculated with the Margules equations. Question 2 The following table contains VLE data for the methanol (1)/ethanol (2) system at 1 atm. T ( ° C) x 1 y 1 T ( ° C) x 1 y 1 78.5 0 0 70.9 0.470 0.600 77.0 0.073 0.120 69.2 0.600 0.725 75.8 0.142 0.222 67.6 0.725 0.820 74.0 0.248 0.362 65.8 0.888 0.932 72.3 0.375 0.505 64.7 1 1 a) Plot the Txy data. Include labels showing the bubblepoint and dewpoint curves. b) Repeat parts (b) to (d) from Q1 for the methanol/ethanol data. Q1 Solution Q2 Solution...
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ceic3001_2010_T3_solution - d For the diagram constructed...

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