Cr(OH)2(s)

Formula : Cr(OH)2

Family: 
Hydroxides

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
85.981 -570924 (Ref.: 41hum/sto) Hume D.H. and Stone H.W. 1941. The apparent solubility product of chromous hydroxide. The significance of the solubility products of hydroxides of the metals with form basic salts. J. Am. Chem. Soc., 63 p. 1197-1199. -653914 (Ref.: Internal calculation) 81.100 (Ref.: 74nau/ryz) Naumov G.B., Ryzhenko B.N., and Khodakovsky I.L., 1974. Handbook of Thermodynamic Data. U.S. Geol. Surv.WRD 74 001, 328 pp.
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

Cr(OH)2(s) + 2H+ ⇌ Cr+2 + 2H2O

298.15 K, 1 bar log10K: 11.00 ΔH°r:-75446 J·mol-1 (Ref.: Internal calculation)
T(°C) 0 25 60 100 150 200 250 300
log10K 12.24 11.00 9.65 8.50 7.46 6.69 6.08 5.55
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
-381.622224 -0.052500 23647.804040 137.402616 -980656.256528