CuO2-2

Formula : CuO2-2

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
95.545 -17.569 (Ref.: 97asho/sas) Shock, E.L., Sassani, D.C., Willis, M., and Sverjensky, D.A., 1997, Inorganic species in geologic fluids: Correlations among standard molal thermodynamic properties of aqueous ions and hydroxide complexes: Geochim. Cosmo. Acta, v. 61, no. 5, pp. 907-950. -182403 (Ref.: 07pow/bro) Powell, K.J., Brown, P.L., Byrne, R.H., Gadja, T., Hefter, G., Sjoberg, S., Wanner, H., 2007. Chemical speciation of environmentally significant metals with inorganic ligands Part 2 : The Cu[2+]-OH[-], Cl[-], CO[3][2-], SO[4][2-], and PO[4][3-] systems : (IUPAC Technical Report). Pure and applied chemistry, USA. -328163 (Ref.: Internal calculation) -119.900 (Ref.: 97ply/wan) Plyasunova, N.V., Wang, M., Zhang, Y., Muhammed, M., 1997. Critical evaluation of thermodynamics of complex formation of metal ions in aqueous solutions II. Hydrolysis and hydroxo-complexes of Cu2+ at 298.15 K. Hydrometallurgy 45, 37-51. -209.22 (Ref.: 97asho/sas) Shock, E.L., Sassani, D.C., Willis, M., and Sverjensky, D.A., 1997, Inorganic species in geologic fluids: Correlations among standard molal thermodynamic properties of aqueous ions and hydroxide complexes: Geochim. Cosmo. Acta, v. 61, no. 5, pp. 907-950.
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
2.5204 -26.3751 34.3628 -10.5366 32.0210 -58.2936 14.9147
Reaction properties

Cu+2 + 2H2O ⇌ CuO2-2 + 4H+

298.15 K, 1 bar log10K: -39.74 ΔH°r:178319 J·mol-1 (Ref.: Internal calculation)
T(°C) 0 25 60 100 150 200 250 300
log10K -42.68 -39.74 -36.57 -33.88 -31.50 -29.89 -28.88 -28.44
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
-989.901655 -0.164612 45503.226138 357.796394 -3442291.327878