3) For a Cu-Au binary solid solution, at 927 K; activity coefficient - molar fraction is expressed with the following equation: (Be careful, don't use regular solution approach, use Gibbs- Duhem relation) Inycu = -3.74 X² Au a) Using the Gibbs-Duhem relation calculate the activity of gold for XAU = 0.4 composition. b) Calculate the mixing excess free energy of the solution.

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A:

Q: 4. In a 22 dm³ PFR, gas-phase reaction 2A → 5P occurs. Flowrate of the inlet gas is 100 mol/min, and…

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A: Given: n = 5 mol of an ideal gas, Pext = 1 bar = 105 Pa Pi = 5 bar = 5×105 Pa and Ti = 298 K The…

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Q: An organic acid has pK₂ = 4.89. What is its K₂ value? K₁ =

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Q: T(z) = Toe-z/Tools

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