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Asked Nov 29, 2019
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14.3. Using ideal solution models for a binary system, prove that the free energy of the
solution phase will always be greater than that of the state with two pure solid
phases below the eutectic temperature
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14.3. Using ideal solution models for a binary system, prove that the free energy of the solution phase will always be greater than that of the state with two pure solid phases below the eutectic temperature

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Expert Answer

Step 1

Here to prove that free energy of the solution phase will always be greater than that of the state with two pure solid phases below the eutectic temperature.

Step 2

Eutectic temperature: The lowest possible temperature the mixture can reach as well as the composition that sustains the liquid phase (without any solid forming) over the widest temperature range.

Step 3

When mixture is cooled below its melting temperature, the pure solvent will crystallize out and attain equilibrium with the solution phase. At equilibrium betw...

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