Ideal gas: Heat capacity

Failed to parse (Conversion error. Server ("https://wikimedia.org/api/rest_") reported: "Cannot get mml. Server problem."): {\displaystyle C_{p}-C_{V}=\left.{\frac {\partial V}{\partial T}}\right\vert _{p}\left(p+\left.{\frac {\partial U}{\partial V}}\right\vert _{T}\right)}

for an ideal gas this becomes:

Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle \left.C_p -C_V \right.=R}

References

1. Donald A. McQuarrie "Statistical Mechanics" (1976) Eq. 1-1
2. Landau and Lifshitz Course of Theoretical Physics Volume 5 Statistical Physics 3rd Edition Part 1 Equation 42.11