Mg(HCO3)+

Formula : Mg(HCO3)+

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
85.322 9.481 (Ref.: 95sho/kor) Shock, E.L., and Koretsky, C.M., 1995, Metal-organic complexes in geochemical processes: Estimation of standard partial molal thermodynamic properties of aqueous complexes between metal cations and monovalent organic acid ligands at high pressures and temperatures. Geochim. Cosmo. Acta, 59, pp. 1497-1532. -1048145 (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 -1155088 (Ref.: Internal calculation) -12.550 (Ref.: 74rea/lan) Reardon E.J., and Langmuir D., 1974. Thermodynamic properties of the ion pairs CaCO3 and MgCO3 from 10 to 50C. Am. J. Sci., 274, p. 599-612. 256.62 (Ref.: 95sho/kor) Shock, E.L., and Koretsky, C.M., 1995, Metal-organic complexes in geochemical processes: Estimation of standard partial molal thermodynamic properties of aqueous complexes between metal cations and monovalent organic acid ligands at high pressures and temperatures. Geochim. Cosmo. Acta, 59, pp. 1497-1532.
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
13.6859 0.8619 23.7191 -11.6650 197.8360 39.0786 2.5062
Reaction properties

HCO3- + Mg+2 ⇌ Mg(HCO3)+

298.15 K, 1 bar log10K: 1.04 ΔH°r:1841 J·mol-1 (Ref.: Internal calculation)
T(°C) 0 25 60 100 150 200 250 300
log10K 1.08 1.04 1.16 1.41 1.84 2.36 2.99 3.78
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
877.191519 0.138125 -50324.694008 -317.049951 3197838.110750