GATE CH 2017 CH Q34: Process Calculations and Thermodynamics

The vapour pressure of a pure substance at a temperature

is 30 bar. The actual and ideal gas values of

for the saturated vapour at this temperature

and 30 bar are 7.0 and 7.7, respectively. Here,

is the molar Gibbs free energy and

is the universal gas constant. The fugacity of the saturated liquid at these conditions, rounded to 1 decimal place, is ________ bar.

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