Metallurgical Engineering > GATE 2025 > Solution Thermodynamics
The excess molar Gibbs free energy of a solution of element A and B at 1000 K is given by GXS=-3000 XAXB J mol-1, where XA and XB are mole fractions of A and B, respectively.
The activity of B in a solution of A and B containing 40 mol% of B at 1000 K is ______ (rounded off to two decimal places).
Given: Ideal gas constant R=8.314 J mol-1K-1
The activity of B in a solution of A and B containing 40 mol% of B at 1000 K is ______ (rounded off to two decimal places).
Given: Ideal gas constant R=8.314 J mol-1K-1
Explanation
Correct : 0.45
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