(1) |
(2) |
\begin{equation} \frac{ds}{dt} =\left(\frac{\partial s}{\partial p} \right) _T\frac{dp}{dt} +\left(\frac{\partial s}{\partial T} \right) _p\frac{dT}{dt} \end{equation} \begin{equation} =\left(\frac{\partial s}{\partial p} \right) _T\frac{dp}{dt} +\frac{C_p}{T} \frac{dT}{dt} \end{equation}