Zn(OH)2_e

Formula : Zn(OH)2

Family: 
Hydroxides
Space group: 
Orthorhombic - DisphenoidalH-M Symbol (2 2 2) Space Group: P 212121

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
99.405 -556549 (Ref.: 13pow/bro) Powell, K.J., Brown, P.L., Byrne, R.H., Gajda, T., Hefter, G., Leuz, A.-K., Sjoberg, S., Wanner, H., 2013. Chemical speciation of environmentally significant metals with inorganic ligands. Part 5: The Zn2++ OH-, Cl-, CO32-, SO42-, and PO43-systems (IUPAC Technical Report). Pure and Applied Chemistry 85, 2249-2311. -625045 (Ref.: 13pow/bro) Powell, K.J., Brown, P.L., Byrne, R.H., Gajda, T., Hefter, G., Leuz, A.-K., Sjoberg, S., Wanner, H., 2013. Chemical speciation of environmentally significant metals with inorganic ligands. Part 5: The Zn2++ OH-, Cl-, CO32-, SO42-, and PO43-systems (IUPAC Technical Report). Pure and Applied Chemistry 85, 2249-2311. 147.812 (Ref.: Internal calculation)
CP(T) = a + b·T + ·c·T-2 (T in Kelvin)
a
J·mol-1·K-1
 b * 103
J·mol-1·K-2
 c * 10-5
J·K·mol-1
 Maier Kelley Ref.
Reaction properties

Zn(OH)2_e + 2H+ ⇌ Zn+2 + 2H2O

298.15 K, 1 bar log10K: 11.38 ΔH°r:-100000 J·mol-1 (Ref.: 13pow/bro) Powell, K.J., Brown, P.L., Byrne, R.H., Gajda, T., Hefter, G., Leuz, A.-K., Sjoberg, S., Wanner, H., 2013. Chemical speciation of environmentally significant metals with inorganic ligands. Part 5: The Zn2++ OH-, Cl-, CO32-, SO42-, and PO43-systems (IUPAC Technical Report). Pure and Applied Chemistry 85, 2249-2311.
T(°C) 0 25 60 100 150 200 250 300
log10K 13.01 11.38 9.58 8.03 6.60 5.53 4.69 3.97
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
-401.541277 -0.053894 25885.353123 142.983375 -1033937.111130