For an ideal gas the expression \(\left[ {T{{\left( {\frac{{\partial S}}{{\partial T}}} \right)}_P} - T{{\left( {\frac{{\partial S}}{{\partial T}}} \right)}_V}} \right]\) is equal to
1
zero
2
\(\frac{{{C_P}}}{{{C_V}}}\)
3
R
4
RT
5
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