use van Laar Activity Coefficient model for the following problem. A single P–x1 data point is available for a binary system at 35°C. Estimate from the data: (a) The corresponding value of y1. (b) The total pressure at 35°C for an equimolar liquid mixture. (c) Whether azeotropy is likely at 35°C. Data: At 35°C, P1 sat = 120.2 and P2 sat = 73.9 kPa For x1 = 0.389, P = 108.6 kPa

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