K = K0 K1 K2 K0 K1 K2

ΔH o 298 = 2*135100 - 227480 = 42720.00 J mol -1
ΔG o 298 = 2*124700 - 209970 = 39430.00 J mol -1
ΔG o /RT =
K 0 = exp(-ΔG o 0 /RT 0 )
= exp(-39430/(8.314*298.15))
= 1.2353E-07
K 1 = exp((ΔH o 0 /RT 0 )(1-T 0 /T))
= exp((42720/(8.314*298.15))*(1-298.15/923.15))
= 1.1677E+05
τ = 923.15/298.15 = 3.0963
K 2 = exp{ΔA[lnτ-(τ-1)/τ] + (1/2)ΔBT 0 (τ-1) 2 /τ + (1/6)ΔCT 2 0 (τ-1) 2 (τ+2)/τ + (1/2)ΔD(τ-1) 2 /(T 2 0 τ 2 )}
= exp(0.06*(ln(3.0963)-(3.0963-1)/3.0963)+(1/2)*0.000173*298.15*(3.0963-1)*(3.0963-1)/3.0963
+(1/2)*(-19100)*(3.0963-1)*(3.0963-1)/(298.15*298.15*3.0963*3.0963))
= 1.0147
K = K 0 K 1 K 2
= 1.2353*1.1677*1.0147E-2
= 1.4637E-02