LECTURE PHYSICAL CHEMISTRY 3rd EDITION ROBERT G. MORTIMER

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- For a solid–liquid or a solid–solid phase transition,
we assume that the phases have nearly constant
volume so that ∆Vm is nearly constant. For a
sufficiently small range of temperature we can
assume that ∆Sm is nearly constant, so that
where P 1 is the pressure corresponding to
temperature T 1 and P 2 is the pressure corresponding
to temperature T 2 .We can also write this equation in
the form
Equation (5.3-10) represents a linear function..
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