Ethanol (1) and n-hexane (2) form two liquid phases at many temperatures. You may assume that the activity coefficients for n-hexane - ethanol mixture can be represented by the following activity model: RT ln γ1 = 8163 x1x2 [J/mol] and the vapour saturations of the pure components are given by (P in bar and T in K) ln P1sat = (-4728.98/T) + 13.4643 ln P2sat = (-3570.58/T) + 10.4575 1. Calculate the upper consulate temperature for the the ethanol - mixture. (2 marks) 2. Find the liquid compositions of the two liquid phases in equilibrium at 450 K. (8 marks) 3. Determine the vapour composition in equilibrium at a system pressure of 1.013 bar. (5 marks)

Ethanol (1) and n-hexane (2) form two liquid phases at many temperatur

1.	Ethanol (1) and n-hexane (2) form two liquid phases at many temperatures. You may assume that the activity coefficients for n-hexane - ethanol mixture can be represented by the following activity model: RT ln γ1 = 8163 x1x2 [J/mol] and the vapour saturations of the pure components are given by (P in bar and T in K) ln P1sat = (-4728.98/T) + 13.4643 ln P2sat = (-3570.58/T) + 10.4575 1. Calculate the upper consulate temperature for the the ethanol - mixture. (2 marks) 2. Find the liquid compositions of the two liquid phases in equilibrium at 450 K. (8 marks) 3. Determine the vapour composition in equilibrium at a system pressure of 1.013 bar. (5 marks)
Answer» nthesis is the process by which plants use sunlight, WATER, and CARBON dioxide to create oxygen and ENERGY in the form of SUGAR.

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