Ethanol (1) and benzene (2) form an azeotropic mixture at 45°C, and the total pressure of the mixture (P) as a function

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Ethanol 1 And Benzene 2 Form An Azeotropic Mixture At 45 C And The Total Pressure Of The Mixture P As A Function 1 (122.15 KiB) Viewed 25 times

Ethanol (1) and benzene (2) form an azeotropic mixture at 45°C, and the total pressure of the mixture (P) as a function of liquidivapor mole fraction is shown in Table 1. Table 1: Pressure and corresponding composition for ethanol(1) - benzene(2) P (bar) Xethanol Yothanol 0.2939 0 0 0.3613 0.0374 0.1965 0.3953 0.0972 0.2895 0.4088 0.2183 0.3370 0.4124 0.3141 0.3625 0.4126 0.3733 0.3733 0.4128 0.4150 0.3842 0.4100 0.5199 0.4065 0.4093 0.5284 0.4101 0.4029 0.6155 0.4343 0.2891 0.7087 0.4751 0.3615 0.8102 0.5456 0.3036 0.9193 0.7078 0.2321 1 a) 1) Sketch qualitatively P-xy diagram. i) Based on your sketch in parti), identify azeotropic point, vapor, liquid and vapor- liquid equilibrium regions. H) Identify azeotropic point pressure a maximum or minimum boiling azeotrope and explain its characteristic (10 marks) b) Determine the activity coefficient of ethanol and benzene at azeotropic point. State any assumptions you made. (5 marks)