The values of $$\Delta $$H and $$\Delta $$S for the reaction,

C_(graphite) + CO₂(g) $$ \to $$  2CO_(g)

are 170 kJ and 170 J K^$$-$$1, respectively. This reaction will be spontaneous at

Bond dissociation enthalpy of H₂, Cl₂ and HCl are 434, 242 and 431 kJ mol^$$-$$1 respectively. Enthalpy of formation of HCl is

For the gas phase reaction,

PCl_5(g)  $$\rightleftharpoons$$ PCl_3(g) + Cl_2(g)

which of the following conditions are correct ?

Which of the following are not state functions ?
(I) q + w     (II) q
(III) w        (IV) H $$-$$ TS