CrCl2(s)

Formula : CrCl2

Family: 
Chlorides

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
122.871 42.700 (Ref.: 84pan) Pankratz L. B., 1984, Thermodynamic Properties of Halides (U. S. Bureau of Mines Bulletin 674, 1984, 826 p). -349123 (Ref.: Internal calculation) -388300 (Ref.: 98bal/nor) Ball J.W. and Nordstrom D.K., 1998. Critical evaluation and selection of standard state thermodynamic properties for chromium metal and its aqueous ions, hydrolysis species, oxides and hydroxides. J. Chem. Eng. Data 43, p. 895-918. 115.300 (Ref.: 98bal/nor) Ball J.W. and Nordstrom D.K., 1998. Critical evaluation and selection of standard state thermodynamic properties for chromium metal and its aqueous ions, hydrolysis species, oxides and hydroxides. J. Chem. Eng. Data 43, p. 895-918. 69.27 (Ref.: 91kna/kub) O. Knacke, O. Kubaschewski and K. Hesselmann: Thermochemical Properties of Inorganic Substances, Second Edition, (Springer-Verlag, 1991)
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.
71.36 13.00 -5.30 (Ref.: 91kna/kub) O. Knacke, O. Kubaschewski and K. Hesselmann: Thermochemical Properties of Inorganic Substances, Second Edition, (Springer-Verlag, 1991)
Reaction properties

CrCl2(s) ⇌ 2Cl- + Cr+2

298.15 K, 1 bar log10K: 12.74 ΔH°r:-103560 J·mol-1 (Ref.: 98bal/nor) Ball J.W. and Nordstrom D.K., 1998. Critical evaluation and selection of standard state thermodynamic properties for chromium metal and its aqueous ions, hydrolysis species, oxides and hydroxides. J. Chem. Eng. Data 43, p. 895-918.
T(°C) 0 25 60 100 150 200 250 300
log10K 14.33 12.74 10.74 8.72 6.47 4.39 2.35 0.14
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
-1556.758420 -0.253059 90178.871281 565.581480 -5067243.460549