Q. The change in Gibbs free energy of vapourisation of 1mol of H2O at 1atm and 100deegre celcius is (q is heat change at constant pressure)
a) q
b) -TdeltaS
c) 0
d) 2q
pls tell
At 100 deg. C at 1 atm. there is equilibrium between liq. and vap. water. At equilibrium, Delta G = 0.