S2O6-2

Formula : S2O6-2

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
160.128 40.193 (Ref.: 97asho/sas) Shock, E.L., Sassani, D.C., Willis, M., and Sverjensky, D.A., 1997, Inorganic species in geologic fluids: Correlations among standard molal thermodynamic properties of aqueous ions and hydroxide complexes: Geochim. Cosmo. Acta, v. 61, no. 5, pp. 907-950. -969043 (Ref.: 06bla/pia) Blanc P., Piantone P., Lassin A. et Burnol A., 2006. Thermochimie : Selection de constantes thermodynamiques pour les elements majeurs, le plomb et le cadmium. Rapport final. Rapport BRGM 54902-FR -1173193 (Ref.: Internal calculation) 125.520 (Ref.: 97asho/sas) Shock, E.L., Sassani, D.C., Willis, M., and Sverjensky, D.A., 1997, Inorganic species in geologic fluids: Correlations among standard molal thermodynamic properties of aqueous ions and hydroxide complexes: Geochim. Cosmo. Acta, v. 61, no. 5, pp. 907-950. -178.22 (Ref.: 97asho/sas) Shock, E.L., Sassani, D.C., Willis, M., and Sverjensky, D.A., 1997, Inorganic species in geologic fluids: Correlations among standard molal thermodynamic properties of aqueous ions and hydroxide complexes: Geochim. Cosmo. Acta, v. 61, no. 5, pp. 907-950.
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
34.4163 51.4858 3.8020 -13.7553 21.0585 -51.3046 11.5424
Reaction properties

2H+ + 2SO4-2 ⇌ S2O6-2 + 0.5O2 + H2O

298.15 K, 1 bar log10K: -50.82 ΔH°r:353589 J·mol-1 (Ref.: 97asho/sas) Shock, E.L., Sassani, D.C., Willis, M., and Sverjensky, D.A., 1997, Inorganic species in geologic fluids: Correlations among standard molal thermodynamic properties of aqueous ions and hydroxide complexes: Geochim. Cosmo. Acta, v. 61, no. 5, pp. 907-950.
T(°C) 0 25 60 100 150 200 250 300
log10K -56.37 -50.82 -44.17 -37.81 -31.23 -25.70 -20.84 -16.31
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
1560.811252 0.248321 -106528.005946 -562.135484 5564212.663937