van't Hoff equation(redirected from Jacobus H vant Hoff)
Also found in: Medical.
van't Hoff equation[van′tȯf i‚kwā·zhən]
An equation for the variation with temperature T of the equilibrium constant K of a gaseous reaction in terms of the heat of reaction at constant pressure, Δ H: d (ln K)/ dT = Δ H/RT 2, where R is the gas constant. Also known as van't Hoff isochore.