11. Chemical potential (u) is a molar Gibbs free energy (Gm). Consider the following graphs: (a) has increase in melting point at higher pressure while (b) has decrease in melting point at higher pressure. It's because the molar volume of solid is smaller than liquid in (a), while it's the opposite in (b). Explain why this happens using the properties of chemical potential, molar Gibbs free energy. Chemical potential, μ High pressure Low pressure Solid Liquid High pressure Solid Low pressure Li

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11. Chemical potential (u) is a molar Gibbs free energy (Gm). Consider the following graphs:
(a) has increase in melting point at higher
pressure while (b) has decrease in melting
point at higher pressure. It's because the
molar volume of solid is smaller than liquid
in (a), while it's the opposite in (b).
Explain why this happens using the
properties of chemical potential, molar
Gibbs free energy.
Chemical potential, μ
High
pressure
Low
pressure
(a)
Solid
Liquid
Temperature, T
High
pressure
Solid
Low
pressure
(b)
Liquid
T←
Temperature, T
Transcribed Image Text:11. Chemical potential (u) is a molar Gibbs free energy (Gm). Consider the following graphs: (a) has increase in melting point at higher pressure while (b) has decrease in melting point at higher pressure. It's because the molar volume of solid is smaller than liquid in (a), while it's the opposite in (b). Explain why this happens using the properties of chemical potential, molar Gibbs free energy. Chemical potential, μ High pressure Low pressure (a) Solid Liquid Temperature, T High pressure Solid Low pressure (b) Liquid T← Temperature, T
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