CO

Formula : CO

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
28.010 33.286 (Ref.: 93sho/mck, 01sch/sho) Shock, E.L., and McKinnon, W.B., 1993, Hydrothermal Processing of Cometary Volatiles--Applications to Triton: Icarus, v. 106, pp. 464-477. AND Schulte M.D., Shock E.L. and Wood R.H., 2001. The temperature dependence of the standard-state thermodynamic properties of aqueous nonelectrolytes. Geochimica et Cosmochimica Acta, 65, 3919-3930 -119852 (Ref.: Internal calculation) -120959 (Ref.: 93sho/mck, 01sch/sho) Shock, E.L., and McKinnon, W.B., 1993, Hydrothermal Processing of Cometary Volatiles--Applications to Triton: Icarus, v. 106, pp. 464-477. AND Schulte M.D., Shock E.L. and Wood R.H., 2001. The temperature dependence of the standard-state thermodynamic properties of aqueous nonelectrolytes. Geochimica et Cosmochimica Acta, 65, 3919-3930 104.600 (Ref.: 82wag/eva) Wagman D.D., Evans W.H., Parker V.B., Schumm R.H., Halow I., Bailey S.M., Churney K.L., and Nutall R.L., 1982. The NBS Tables of Chemical Thermodynamic Properties. J. Phys. Chem. Ref. Data, 11, Suppl. 2. 260.84 (Ref.: 93sho/mck, 01sch/sho) Shock, E.L., and McKinnon, W.B., 1993, Hydrothermal Processing of Cometary Volatiles--Applications to Triton: Icarus, v. 106, pp. 464-477. AND Schulte M.D., Shock E.L. and Wood R.H., 2001. The temperature dependence of the standard-state thermodynamic properties of aqueous nonelectrolytes. Geochimica et Cosmochimica Acta, 65, 3919-3930
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
26.0969 31.1700 11.7922 -12.9156 160.4590 49.3967 -0.9912
Reaction properties

HCO3- + H+ ⇌ CO + 0.5O2 + H2O

298.15 K, 1 bar log10K: -41.72 ΔH°r:277073 J·mol-1 (Ref.: 93sho/mck, 01sch/sho) Shock, E.L., and McKinnon, W.B., 1993, Hydrothermal Processing of Cometary Volatiles--Applications to Triton: Icarus, v. 106, pp. 464-477. AND Schulte M.D., Shock E.L. and Wood R.H., 2001. The temperature dependence of the standard-state thermodynamic properties of aqueous nonelectrolytes. Geochimica et Cosmochimica Acta, 65, 3919-3930
T(°C) 0 25 60 100 150 200 250 300
log10K -46.05 -41.72 -36.48 -31.43 -26.17 -21.74 -17.87 -14.34
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
853.536129 0.139332 -64626.270980 -306.477271 3406456.767485