AlO2-

Formula : AlO2-

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
58.980 9.868 (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. -831378 (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. -929195 (Ref.: Internal calculation) -29.288 (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. -33.41 (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
15.5980 16.6523 -6.3471 -12.3156 79.9144 -25.9408 7.3618
Reaction properties

Al+3 + 2H2O ⇌ AlO2- + 4H+

298.15 K, 1 bar log10K: -22.87 ΔH°r:180865 J·mol-1 (Ref.: Internal calculation)
T(°C) 0 25 60 100 150 200 250 300
log10K -25.78 -22.87 -19.56 -16.58 -13.67 -11.40 -9.58 -8.14
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
-178.048634 -0.026890 1867.172551 66.832788 -750439.538449