Pb4(OH)4+4

Formula : Pb4(OH)4+4

Dernière mise à jour le 25.01.2021

THERMODYNAMICS

Individual properties (298.15 K)
M
g·mol-1
 V°
cm3·mol-1
 ΔGºf
J·mol-1
 ΔHºf
J·mol-1
 Sº
J·mol-1·k-1
 CP
J·mol-1·K-1
896.829 -927754 (Ref.: 99lot/och) Lothenbach B., Ochs M., Wanner H., and Yui M., 1999. Thermodynamic data for the speciation and solubility of Pd, Pb, Sn, Sb, Nb and Bi in aqueous solution. JNC TN8400 99 011. -1057600 (Ref.: Internal calculation) 234.000 (Ref.: 82wag/eva) Wagman D.D., Evans W.H., Parker V.B., Schumm R.H., Halow I., Bailey S.M., Churney K.L., and Nutall R.L., 1982. The NBS Tables of Chemical Thermodynamic Properties. J. Phys. Chem. Ref. Data, 11, Suppl. 2.
HKF coefficients
a1·10
J·mol-1·bar-1
 a2·10-2
J·mol-1
 a3
J·K·mol-1·bar-1
 a4·10-4
J·K·mol-1
 c1
J·mol-1·K-1
 c2·10-4
J·K·mol-1
 ω·10-5
J·mol-1
Reaction properties

4Pb+2 + 4H2O ⇌ Pb4(OH)4+4 + 4H+

298.15 K, 1 bar log10K: -20.63 ΔH°r:82038 J·mol-1 (Ref.: Internal calculation)
T(°C) 0 25 60 100 150 200 250 300
log10K -21.96 -20.63 -19.17 -17.93 -16.80 -15.94 -15.18 -14.34
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
1323.553221 0.191969 -76329.308062 -481.068708 3996644.257954