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 (46.34 KiB) Viewed 9 times

Ethanol 1 And Benzene 2 Form An Azeotropic Mixture At 45 C And The Total Pressure Of The Mixture P As A Function 2 (46.34 KiB) Viewed 9 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 liquid/vapor mole fraction is shown in Table 1. Table 1: Pressure and corresponding composition for ethanol(1) - benzene(2) P (bar) Xethanol yethanol 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) i) Sketch qualitatively P-xy diagram. ii) Based on your sketch in part i), identify azeotropic point, vapor, liquid and vapor- liquid equilibrium regions. ii) 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)