Ca(HCO3)+

Formula : Ca(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
101.095 4.779 (Ref.: 99aki/zot) Akinfiev N. and Zotov A., 1999. Thermodynamic description of equilibria in mixed fluids (H2O-non-polar gas) over a wide range of temperature (25-700C) and pressure (1-5000 bars). Geochimica et Cosmochimica Acta, 63, 2025-2041 -1145947 (Ref.: 82plu/bus) Plummer, L.N. and Busenberg, E., 1982. The Solubilities of Calcite, Aragonite, and Vaterite in CO2-H2O Solutions Between 0 and 90 C and an Evaluation of the Aqueous Model of the System CaCO3-CO2-H2O. Geochimica et Cosmochimica Acta, Vol. 46, p. 1011-1040. -1241824 (Ref.: Internal calculation) 33.485 (Ref.: 99aki/zot) Akinfiev N. and Zotov A., 1999. Thermodynamic description of equilibria in mixed fluids (H2O-non-polar gas) over a wide range of temperature (25-700C) and pressure (1-5000 bars). Geochimica et Cosmochimica Acta, 63, 2025-2041 282.30 (Ref.: 99aki/zot) Akinfiev N. and Zotov A., 1999. Thermodynamic description of equilibria in mixed fluids (H2O-non-polar gas) over a wide range of temperature (25-700C) and pressure (1-5000 bars). Geochimica et Cosmochimica Acta, 63, 2025-2041
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
10.2424 -7.6400 27.0621 -11.3114 232.2970 25.8345 0.3025
Reaction properties

HCO3- + Ca+2 ⇌ Ca(HCO3)+

298.15 K, 1 bar log10K: 1.10 ΔH°r:-8895 J·mol-1 (Ref.: Internal calculation)
T(°C) 0 25 60 100 150 200 250 300
log10K 1.32 1.10 1.04 1.17 1.54 2.08 2.78 3.71
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
868.604761 0.145833 -48281.224688 -316.731098 3083224.695186