Ag+2

Formula : Ag+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
107.868 -19.400 (Ref.: 88sho/hel) Shock E.L. and Helgeson H.C., 1988. Calculation of the thermodynamic and transport properties of aqueous species at high pressures and temperatures: Correlation algorithms for ionic aqueous species and equation of state predictions to 5 kb and 1000C. Geochim. Cosmochim. Acta, 52, pp. 2009-2036. 269031 (Ref.: 88sho/hel) Shock E.L. and Helgeson H.C., 1988. Calculation of the thermodynamic and transport properties of aqueous species at high pressures and temperatures: Correlation algorithms for ionic aqueous species and equation of state predictions to 5 kb and 1000C. Geochim. Cosmochim. Acta, 52, pp. 2009-2036. 269111 (Ref.: Internal calculation) -87.864 (Ref.: 88sho/hel) Shock E.L. and Helgeson H.C., 1988. Calculation of the thermodynamic and transport properties of aqueous species at high pressures and temperatures: Correlation algorithms for ionic aqueous species and equation of state predictions to 5 kb and 1000C. Geochim. Cosmochim. Acta, 52, pp. 2009-2036. -16.76 (Ref.: 88sho/hel) Shock E.L. and Helgeson H.C., 1988. Calculation of the thermodynamic and transport properties of aqueous species at high pressures and temperatures: Correlation algorithms for ionic aqueous species and equation of state predictions to 5 kb and 1000C. Geochim. Cosmochim. Acta, 52, pp. 2009-2036.
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
-1.7987 -36.9489 38.5807 -10.0998 63.6905 -17.2138 5.5233
Reaction properties

0.25O2 + Ag+ + H+ ⇌ Ag+2 + 0.5H2O

298.15 K, 1 bar log10K: -12.13 ΔH°r:23455 J·mol-1 (Ref.: 88sho/hel) Shock E.L. and Helgeson H.C., 1988. Calculation of the thermodynamic and transport properties of aqueous species at high pressures and temperatures: Correlation algorithms for ionic aqueous species and equation of state predictions to 5 kb and 1000C. Geochim. Cosmochim. Acta, 52, pp. 2009-2036.
T(°C) 0 25 60 100 150 200 250 300
log10K -12.52 -12.13 -11.72 -11.39 -11.14 -11.01 -11.00 -11.09
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
-206.575826 -0.037350 9018.615358 73.591766 -601110.448444