Consider the following liquid-vapour equilibrium.
Liquid $\rightleftharpoons$ Vapour
Which of the following relations is correct?
(a) ${d \ln P \over dT^2}={-\Delta H_v \over T^2}$
(b) ${d \ln P \over dT}={\Delta H_v \over RT^2}$
(c) ${d \ln G \over dT^2}={\Delta H_v \over RT^2}$
(d) ${d \ln P \over dT}={-\Delta H_v \over RT}$
Liquid $\rightleftharpoons$ Vapour
Which of the following relations is correct?
(a) ${d \ln P \over dT^2}={-\Delta H_v \over T^2}$
(b) ${d \ln P \over dT}={\Delta H_v \over RT^2}$
(c) ${d \ln G \over dT^2}={\Delta H_v \over RT^2}$
(d) ${d \ln P \over dT}={-\Delta H_v \over RT}$