Ga(OH)4-

Formula : Ga(OH)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
137.752 49.552 (Ref.: 99dia/sch) Diakonov I.I., Schott J., Martin F., Harrichourry J.C. and Escalier J., 1999. Iron(III) solubility and speciation in aqueous solutions. experimental study and modelling: part 1. hematite solubility from 60 to 300C in NaOH-NaCl solutions and thermodynamic properties of Fe(OH)4-(aq) - Revised equation od state for the standard partial properties of ions and electrolytes. Geochimica et Cosmochimica Acta, Volume 63, Number 15, August 1999 , pp. 2247-2261(15) -1021440 (Ref.: 99dia/sch) Diakonov I.I., Schott J., Martin F., Harrichourry J.C. and Escalier J., 1999. Iron(III) solubility and speciation in aqueous solutions. experimental study and modelling: part 1. hematite solubility from 60 to 300C in NaOH-NaCl solutions and thermodynamic properties of Fe(OH)4-(aq) - Revised equation od state for the standard partial properties of ions and electrolytes. Geochimica et Cosmochimica Acta, Volume 63, Number 15, August 1999 , pp. 2247-2261(15) -1212749 (Ref.: Internal calculation) 136.189 (Ref.: 99dia/sch) Diakonov I.I., Schott J., Martin F., Harrichourry J.C. and Escalier J., 1999. Iron(III) solubility and speciation in aqueous solutions. experimental study and modelling: part 1. hematite solubility from 60 to 300C in NaOH-NaCl solutions and thermodynamic properties of Fe(OH)4-(aq) - Revised equation od state for the standard partial properties of ions and electrolytes. Geochimica et Cosmochimica Acta, Volume 63, Number 15, August 1999 , pp. 2247-2261(15) 114.19 (Ref.: 99dia/sch) Diakonov I.I., Schott J., Martin F., Harrichourry J.C. and Escalier J., 1999. Iron(III) solubility and speciation in aqueous solutions. experimental study and modelling: part 1. hematite solubility from 60 to 300C in NaOH-NaCl solutions and thermodynamic properties of Fe(OH)4-(aq) - Revised equation od state for the standard partial properties of ions and electrolytes. Geochimica et Cosmochimica Acta, Volume 63, Number 15, August 1999 , pp. 2247-2261(15)
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
34.4996 67.3536 -2.4204 -14.4118 158.1480 -4.3221 4.2731
Reaction properties

Ga+3 + 4H2O ⇌ Ga(OH)4- + 4H+

298.15 K, 1 bar log10K: -15.63 ΔH°r:106332 J·mol-1 (Ref.: 99dia/sch) Diakonov I.I., Schott J., Martin F., Harrichourry J.C. and Escalier J., 1999. Iron(III) solubility and speciation in aqueous solutions. experimental study and modelling: part 1. hematite solubility from 60 to 300C in NaOH-NaCl solutions and thermodynamic properties of Fe(OH)4-(aq) - Revised equation od state for the standard partial properties of ions and electrolytes. Geochimica et Cosmochimica Acta, Volume 63, Number 15, August 1999 , pp. 2247-2261(15)
T(°C) 0 25 60 100 150 200 250 300
log10K -17.39 -15.63 -13.77 -12.30 -11.17 -10.66 -10.70 -11.41
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
-1342.829029 -0.244110 63111.904240 497.758999 -3855563.924487