Co2OH+3

Formula : Co2OH+3

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
134.874 -292199 (Ref.: 98ply/zha) Plyasunova N. V., Zhang Y., and Muhammed M. (1998) Critical evaluation of thermodynamics of complex formation of metal ions in aqueous solutions. V. hydrolysis and hydroxo-complexes of Co2+ at 298.15 K. Hydrometallurgy 48(2), 153-169. -371000 (Ref.: 98ply/zha) Plyasunova N. V., Zhang Y., and Muhammed M. (1998) Critical evaluation of thermodynamics of complex formation of metal ions in aqueous solutions. V. hydrolysis and hydroxo-complexes of Co2+ at 298.15 K. Hydrometallurgy 48(2), 153-169. -232.323 (Ref.: Internal calculation)
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
Reaction properties

2Co+2 + H2O ⇌ Co2OH+3 + H+

298.15 K, 1 bar log10K: -9.83 ΔH°r:30030 J·mol-1 (Ref.: 98ply/zha) Plyasunova N. V., Zhang Y., and Muhammed M. (1998) Critical evaluation of thermodynamics of complex formation of metal ions in aqueous solutions. V. hydrolysis and hydroxo-complexes of Co2+ at 298.15 K. Hydrometallurgy 48(2), 153-169.
T(°C) 0 25 60 100 150 200 250 300
log10K -10.31 -9.83 -9.29 -8.81 -8.34 -7.93 -7.51 -7.00
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
679.940904 0.106062 -37703.166080 -249.420127 1976683.533113