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Recall that Helmholtz function of a substance is a Legendre transformation of
internal energy, and, thus, contains all the thermodynamics information about the
substance. The Helmholtz function of a substance has the form
T
In
To' To
T
a = -RT In
cTo
(9.128)
where To and vo are the temperature and specific volume at a reference state.
Using the given expression for the Helmholtz function, determine expression for
P,h, s, cv, and Cp.

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