AlOH+2

Formula : AlOH+2

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
43.989 -19.197 (Ref.: 95pok/hel) Pokrovskii, V.A., and Helgeson, H.C., 1995, Thermodynamic properties of aqueous species and the solubilities of minerals at high pressures and temperatures: The system Al2O3-H2O-NaCl: Amer. J. Sci., 295, 1255-1342. -696526 (Ref.: 95pok/hel) Pokrovskii, V.A., and Helgeson, H.C., 1995, Thermodynamic properties of aqueous species and the solubilities of minerals at high pressures and temperatures: The system Al2O3-H2O-NaCl: Amer. J. Sci., 295, 1255-1342. -774471 (Ref.: Internal calculation) -195.895 (Ref.: 95pok/hel) Pokrovskii, V.A., and Helgeson, H.C., 1995, Thermodynamic properties of aqueous species and the solubilities of minerals at high pressures and temperatures: The system Al2O3-H2O-NaCl: Amer. J. Sci., 295, 1255-1342. 76.04 (Ref.: 95pok/hel) Pokrovskii, V.A., and Helgeson, H.C., 1995, Thermodynamic properties of aqueous species and the solubilities of minerals at high pressures and temperatures: The system Al2O3-H2O-NaCl: Amer. J. Sci., 295, 1255-1342.
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
1.0795 -40.5702 40.1664 -10.7809 158.9920 -10.8784 7.3915
Reaction properties

Al+3 + H2O ⇌ AlOH+2 + H+

298.15 K, 1 bar log10K: -4.95 ΔH°r:49758 J·mol-1 (Ref.: Internal calculation)
T(°C) 0 25 60 100 150 200 250 300
log10K -5.72 -4.95 -4.00 -3.06 -2.05 -1.16 -0.35 0.40
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
161.456826 0.030185 -11505.645433 -58.055033 607671.622287