GATE Chemical - GATE 2017-2018 Questions and Answers

Home / GATE 2017-2018 / GATE Chemical :: Discussion

Discussion :: GATE Chemical

A binary liquid mixture is in equilibrium with its vapor at a temperature T = 300 K. The liquid mole fraction x1 of species 1 is 0.4 and the molar excess Gibbs free energy is 200 J/mol. The value of the universal gas constant is 8.314 J/mol-K, and Ï’_i denotes the liquid-phase activity coefficient of species i. If ln(Ï’₁) = 0.09, then the value of ln(Ï’₂), up to 2 digits after the decimal point, is ________

0.01 to 0.03

0.09 to 0.11

1.22 to 1.23

0.06 to 0.08

View Answer