GaOH+2

Formula : GaOH+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
86.730 -5.707 (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 -383045 (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 -368550 (Ref.: Internal calculation) 126.692 (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 170.42 (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
0.5188 -31.2921 36.3548 -10.3303 62.4713 11.2717 -10.3303
Reaction properties

Ga+3 + H2O ⇌ GaOH+2 + H+

298.15 K, 1 bar log10K: -2.84 ΔH°r:93041 J·mol-1 (Ref.: Internal calculation)
T(°C) 0 25 60 100 150 200 250 300
log10K -4.32 -2.84 -1.13 0.39 1.83 2.91 3.73 4.36
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
202.173712 0.016686 -17260.400274 -65.163316 813294.184231