HW #4, P11.25 - Fugacity of a Mixture: Real vs. HW #5, P12.27 - Volume Change of Mixing Two Liquid. HW #5, P12.22 - Multicomponent Flash Using the Wil. HW #5, WB.4 - Bubble Point and Dew Point Calculati. HW #5, WB.3 - Determination of Azeotropes Using th. HW #5, WB.2 - Determination of Azeotropes Using M. HW #5, WB.1 - Pxy Diagram and Henry's Law Constant. 
HW #5, P12.3 - Fitting VLE Data Using the Margules. Consider H values applicable as long as the error incurred is less than 5% of the partial pressure of the species. (Ans.: Low-tech method (use last 2 data points and draw a line): k2 = 334 kPa/(mole 2/mol), High-tech method (fit the last 3 data points to a quadratic eqn and determine the slope as xi approaches 0): k2 = 437 kPa/(mole 2/mol) )ĭ.) Estimate the range of x1 values over which H1 is applicable and the range of x2 values over which H2 is applicable. 
Draw a line on each graph from part b, by hand or using Excel's drawing tools, that shows the graphical interpretation of the Henry's Law Constant for each species. SVN Figure 12.2 is an example of such a plot.Ĭ.) Determine the Henry's Law Constant at 50oC for each species from the partial pressure curves constructed in part b. Be specific and quantitative in your description.ī.) Make a fugacity or partial pressure plot (plot y1 P vs x1 and y2 P vs x1 on the same figure) in Excel. Describe any unusual features in this diagram. VLE data for the system dichloromethane(1) and methanol(2) at 50oC appear in the table below.Ī.) Make a Pxy Diagram in Excel based on this data.
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