Sr(CO3)

Formula : Sr(CO3)

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
147.629 -13.888 (Ref.: 97sve/sho) Sverjensky, D.A., Shock, E.L., and Helgeson, H.C., 1997 Prediction of the thermodynamic properties of aqueous metal complexes to 1000 C and 5 kb: Geochim. Cosmo. Acta, v. 61, No. 7, pp. 1359-1412. -1107778 (Ref.: 84bus/plu) Busenberg E., Plummer L.N. and Parker V.B., 1984. The solubility of strontianite (SrCO3) in CO2-H2O solutions between 2 and 91C, the association constants of SrHCO3+(aq) and SrCO3O(aq) between 5 and 80C, and an evaluation of the thermodynamic properties of Sr++(aq) and SrCO3(cr) at 25C and 1 atm total pressure. Geochim. et Cosmochim. Acta, 48, p. 2021-2035. -1204306 (Ref.: Internal calculation) 45.400 (Ref.: 84bus/plu) Busenberg E., Plummer L.N. and Parker V.B., 1984. The solubility of strontianite (SrCO3) in CO2-H2O solutions between 2 and 91C, the association constants of SrHCO3+(aq) and SrCO3O(aq) between 5 and 80C, and an evaluation of the thermodynamic properties of Sr++(aq) and SrCO3(cr) at 25C and 1 atm total pressure. Geochim. et Cosmochim. Acta, 48, p. 2021-2035. -137.65 (Ref.: 97sve/sho) Sverjensky, D.A., Shock, E.L., and Helgeson, H.C., 1997 Prediction of the thermodynamic properties of aqueous metal complexes to 1000 C and 5 kb: Geochim. Cosmo. Acta, v. 61, No. 7, pp. 1359-1412.
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
-0.6234 -34.0745 37.4510 -10.2173 -55.4798 -40.4384 -0.1590
Reaction properties

HCO3- + Sr+2 ⇌ Sr(CO3) + H+

298.15 K, 1 bar log10K: -7.52 ΔH°r:36523 J·mol-1 (Ref.: Internal calculation)
T(°C) 0 25 60 100 150 200 250 300
log10K -8.12 -7.52 -6.87 -6.30 -5.73 -5.24 -4.73 -4.09
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
718.004355 0.117131 -38145.553720 -264.049476 1854780.716934