A binary mixture of water and acetic acid forms an ideal solution at standard atmospheric pressure. Find the equilibrium mole fractions of water in the liquid and vapour phases at a temperature of 110-C. The pure component vapour pressures of water and acetic acid at 110-C are 1.433 x 105 Pa and 7.88 x 104 Pa, respectively. [

Use the R-K equation of state to estimate the partial fugac- ity coefficients of propane and benzene in the vapor mixture of Example 2.5.

Derive an expression for the molar excess enthalpy of mixing of a mixture described by a molar excess Gibbs free energy of the form gE = X1X2(A21X1 + A12X2) where the constants A21 and A12 are independent of temperature.

The T-x-y and P-x-y diagrams for the binary benzene-toluene system is shown below. a. The bubble point temperature for a vapor-liquid equilibrium system of 80% benzene and 20% toluene is about 83°C. Using Antoine’s Equation and without using the diagrams, calculate the composition of the vapor that is generated at 83°C. b. This time, using the diagrams provided, determine the answer for Part a. c. A vapor at atmospheric pressure consisting of 80% benzene and 20% toluene has a dew point of 88°C. Using Antoine’s Equation and without using the diagrams, calculate the composition of the liquid that is in equilibrium with the vapor. d. Using the diagrams provided, what is the composition of the liquid that is in equilibrium with a vapor that is 50% benzene and 50% toluene? e. You have a gas mixture of 40% benzene, 10% toluene, and 50% helium. The gas mixture is compressed isothermally at 80°C until condensation occurs. The helium is insoluble in the condensate. Without using the diagrams,…