Ga(OH)3

Formula : Ga(OH)3

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
120.745 30.964 (Ref.: 97ben/dia) Benezeth P., Diakonov I.I., Pokrovski G.S., Dandurand J.L., Schott J. and Khodakovsky I.L., 1997. Gallium speciation in aqueous solution. Experimental study and modelling: Part 2. Solubility of alpha-GaOOH in acidic solutions from 150 to 250C and hydrolysis constants of gallium (III) to 300oC. Geochim. Cosmochim. Acta, 61, pp. 1345-1357 -805462 (Ref.: 97ben/dia) Benezeth P., Diakonov I.I., Pokrovski G.S., Dandurand J.L., Schott J. and Khodakovsky I.L., 1997. Gallium speciation in aqueous solution. Experimental study and modelling: Part 2. Solubility of alpha-GaOOH in acidic solutions from 150 to 250C and hydrolysis constants of gallium (III) to 300oC. Geochim. Cosmochim. Acta, 61, pp. 1345-1357 -928286 (Ref.: Internal calculation) 132.633 (Ref.: 97ben/dia) Benezeth P., Diakonov I.I., Pokrovski G.S., Dandurand J.L., Schott J. and Khodakovsky I.L., 1997. Gallium speciation in aqueous solution. Experimental study and modelling: Part 2. Solubility of alpha-GaOOH in acidic solutions from 150 to 250C and hydrolysis constants of gallium (III) to 300oC. Geochim. Cosmochim. Acta, 61, pp. 1345-1357 112.46 (Ref.: 97ben/dia) Benezeth P., Diakonov I.I., Pokrovski G.S., Dandurand J.L., Schott J. and Khodakovsky I.L., 1997. Gallium speciation in aqueous solution. Experimental study and modelling: Part 2. Solubility of alpha-GaOOH in acidic solutions from 150 to 250C and hydrolysis constants of gallium (III) to 300oC. Geochim. Cosmochim. Acta, 61, pp. 1345-1357
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
25.1124 28.7608 12.7528 -12.8156 91.7091 10.2131 0.0000
Reaction properties

Ga+3 + 3H2O ⇌ Ga(OH)3 + 3H+

298.15 K, 1 bar log10K: -11.92 ΔH°r:104965 J·mol-1 (Ref.: Internal calculation)
T(°C) 0 25 60 100 150 200 250 300
log10K -13.64 -11.92 -10.07 -8.55 -7.33 -6.66 -6.48 -6.86
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
-920.150423 -0.175072 40677.480620 344.566097 -2543733.124830