Metallurgical Engineering > GATE 2023 > Thermodynamics
Enthalpy of formation of an A-B regular solution containing 80 atomic percent A is 3.36 kJ⋅mol-1. The activity coefficient of A at 500 K for the solution containing 40 atomic percent A is _______ (round off to 1 decimal place).
Given: Universal gas constant, R = 8.314 J⋅mol-1⋅K-1
Given: Universal gas constant, R = 8.314 J⋅mol-1⋅K-1
Correct : 1.2
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