MSE 308 Problem Set 11 Solutions

MSE 308 Problem Set 11 Solutions - MSE 308 Thermodynamics...

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MSE 308 Dept. of Materials Science & Engineering Thermodynamics of Materials Spring 2005/Bill Knowlton Problem Set 11 Solutions 1. In class, you were given: 12 mix J Fc X X mole ⎛⎞ ∆= ⎜⎟ ⎝⎠ . a. Find and FF ∆∆ . b. Check your answers by substituting them into the relation: 11 2 2 mix FX F X F =∆+∆ . 1 of 7
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MSE 308 Dept. of Materials Science & Engineering Thermodynamics of Materials Spring 2005/Bill Knowlton 2. Similar to problem 1, the Helmholtz free energy of mixing is given by: 22 12 mix o J Fa X X mole ⎛⎞ ∆= ⎜⎟ ⎝⎠ . a. Find and FF ∆∆ . b. Check your answers by substituting them into the relation: 11 2 2 mix FX F X F =∆+∆ . c. Graph and and mix FFF ∆∆∆ all on the same plot as a function of X 2 over a range of a o from -5000 to 5000 J/mol plotted at 500 J/mol increments. 3 of 7
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MSE 308 Dept. of Materials Science & Engineering
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MSE 308 Problem Set 11 Solutions - MSE 308 Thermodynamics...

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