Van't Hoff equation (source code)

= Van't Hoff equation
{c}
{title2=$\mathrm d\ln K/\mathrm dT=\Delta_rH^\circ/(RT^2)$}

= van't Hoff isochore
{c}
{synonym}

The temperature relation $\mathrm d\ln K/\mathrm dT=\Delta_rH^\circ/(RT^2)$ for a dimensionless thermodynamic equilibrium constant. With constant reaction enthalpy, integration gives the difference of reciprocal temperatures.