The activity coefficient of Q in a liquid Q - R alloy is represented by the following equation at a given temperature. In γQ = 0.6x2R - 0.2.x3R What is the activity of Q in an alloy of composition XR = 0.6 at the same temperature?

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This question belongs to Metallurgical Engineering Metallurgical Thermodynamics And Kinetics

Metallurgical Thermodynamics and Kinetics

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The activity coefficient of Q in a liquid Q - R alloy is represented by the following equation at a given temperature.
In γ_Q = 0.6x²_R - 0.2.x³_R
What is the activity of Q in an alloy of composition XR = 0.6 at the same temperature?

A) 0.16 B) 0.24 C) 0.32 D) 0.48

Answer & Solution

Correct Answer: Option D

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