The delta G^o for a reaction :

Question

h2 (g) + i2 (g) = 2HI(g)
Is 2.6 kj/moles. In one experiment the initial pressures are P h2 = 4.26 atm, P i2 = 0.024 atm, P hi = 0.23 atm. Calculate delta G

Answer 1

Use dG = dGo + RTlnQ where
Q=(pHI)^2/pH2*pI2