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Al-Zn alloys at 750K exhibit the following relationship for the activity coefficient: where R=cal/mol K T=Kelvin Estimate the activity coefficient of aluminum at 750k when

Al-Zn alloys at 750K exhibit the following relationship for the activity coefficient:

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where R=cal/mol K

T=Kelvin

Estimate the activity coefficient of aluminum at 750k when found at 60% composition in an Al-Zn alloy

RTlnyzn = 1750(1-2) =

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