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Unformatted text preview: of A whereas the vapor in equilibrium with the solution at 25 o C contains 50 mole % of A. ∆ H vap (A) = 5 kcal/mole and ∆ H vap (B) = 7 kcal/mole. a) Calculate the ratio of the vapor pressure of pure A to that of pure B at 25 o C. b) Calculate the value for this same ratio at 100 o C. (Just set up equations for the ratio. No need to get a numerical answer.) 3 4. A and B form an ideal solution at 298 K, with x A = 0.600, P A * = 105 Torr, and P B * = 63.5 Torr. a) Calculate the partial pressures of A and B in the gas phase. b) A portion of the gas phase is removed and condensed in a separate container. Calculate the partial pressures of A and B in equilibrium with this liquid sample at 298 K....
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This note was uploaded on 04/07/2012 for the course CHEM 340 taught by Professor Staff during the Spring '08 term at Ill. Chicago.
- Spring '08