PS3 - 45C, assuming ideal mixing. Then compare with the...

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ChBE 3110, Fall Semester, 2009 Chemical Engineering Thermodynamics II Problem Set Three 1. Assume the system n-propanol (1) n-butanol (2) follows Raoult’s Law. Use Excel to prepare a T-x-y diagram at one bar for this system. Vapor Pressure Data: T, ºK P sat , propanol, atm P sat , butanol, atm 360 0.660 0.295 370 0.983 0.452 380 1.422 0.669 390 2.002 0.962 400 2.746 1.348 2. For an equimolar mixture of n-propanol (1) n-butanol a. What is the bubble point at 1 bar? b. What is the composition of the first bubble of gas at 1 bar? c. What is the dew point at 1 bar? d. What is the composition of the first drop of liquid at 1 bar? 3. Prepare an x-y diagram and a P-x-y diagram for benzene (1) and ethanol (2) at
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Unformatted text preview: 45C, assuming ideal mixing. Then compare with the experimental data given below (Brown & Smith, Austral. J. Chem. 264, 1954). What does this comparison teach you? x 2 y 2 P (bars) 0.2939 0.0374 0.1965 0.3613 0.0972 0.2895 0.3953 0.2183 0.3370 0.4088 0.3141 0.3625 0.4124 0.4150 0.3842 0.4128 0.5199 0.4065 0.4100 0.5284 0.4104 0.4093 0.6155 0.4343 0.4028 0.7087 0.4751 0.3891 0.9591 0.8201 0.2711 1.0000 1.0000 0.2321 4. The solubility of dilute species is often characterized by Henrys Law. What is the solubility of N 2 in acetone at 25C and 1 atm. partial pressure? Data (at 25C) : 2 , 1689 . N Acetone H atm...
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This note was uploaded on 10/18/2009 for the course CHBE 3110 taught by Professor Staff during the Spring '08 term at Georgia Institute of Technology.

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PS3 - 45C, assuming ideal mixing. Then compare with the...

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