Cu(OH)2-

Formula : Cu(OH)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
97.561 -9.291 (Ref.: 01aki/zot) Akinfiev N. N. and Zotov A. V., 2001. Thermodynamic Description of Chloride, Hydrosulfide, and Hydroxo Complexes of Ag(I), Cu(I), and Au(I) at Temperatures of 25-500oC and Pressures of 1-2000 bar. Geochem. Intern., v. 39, No 10, p. 990-1006. Abstract -333050 (Ref.: 95bev/pui) Beverskog, B., Puigdomenech, I. (1995) Revised Pourbaix diagrams for iron at 25-300C; Corr. Sci. 38, p. 2121-2135. -502793 (Ref.: Internal calculation) -135.000 (Ref.: 00pui) Puigdomenech, I., 2000. Thermodynamic data for copper: implications for the corrosion of copper under repository conditions, SKB report. SKB/Swedish Nuclear Fuel and Waste Management, p. 96. -130.90 (Ref.: 01aki/zot) Akinfiev N. N. and Zotov A. V., 2001. Thermodynamic Description of Chloride, Hydrosulfide, and Hydroxo Complexes of Ag(I), Cu(I), and Au(I) at Temperatures of 25-500oC and Pressures of 1-2000 bar. Geochem. Intern., v. 39, No 10, p. 990-1006. Abstract
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
4.0275 -22.7229 32.9892 -10.6880 -2.4527 -40.3840 5.6342
Reaction properties

Cu+ + 2H2O ⇌ Cu(OH)2- + 2H+

298.15 K, 1 bar log10K: -16.18 ΔH°r:-1706 J·mol-1 (Ref.: Internal calculation)
T(°C) 0 25 60 100 150 200 250 300
log10K -16.23 -16.18 -16.31 -16.63 -17.17 -17.80 -18.52 -19.36
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
-485.255753 -0.082823 27721.815730 170.703186 -1920692.858080