CrS(s)

Formula : CrS

Family: 
Sulfides

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
84.032 17.330 (Ref.: 87pan/mah) Pankratz L. B., 1987, A. D. Mah, and S. W. Watson, Thermodynamic Properties of Sulfides (U. S. Bureau of Mines Bulletin 689, 1987, 427 p). -137629 (Ref.: Internal calculation) -135140 (Ref.: 84pan/stu) L.B. Pankratz, J.M. Stuve, and N.A. Gokcen, 'Thermodynamic Data for Mineral Technology,' Bulletin 677, U.S. Bureau of Mines (1984). 64.020 (Ref.: 84pan/stu) L.B. Pankratz, J.M. Stuve, and N.A. Gokcen, 'Thermodynamic Data for Mineral Technology,' Bulletin 677, U.S. Bureau of Mines (1984). 46.77 (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.
32.84 46.72 0.00 (Ref.: 91kna/kub) O. Knacke, O. Kubaschewski and K. Hesselmann: Thermochemical Properties of Inorganic Substances, Second Edition, (Springer-Verlag, 1991)
Reaction properties

CrS(s) + H+ ⇌ Cr+2 + HS-

298.15 K, 1 bar log10K: 1.67 ΔH°r:-38860 J·mol-1 (Ref.: 84pan/stu) L.B. Pankratz, J.M. Stuve, and N.A. Gokcen, 'Thermodynamic Data for Mineral Technology,' Bulletin 677, U.S. Bureau of Mines (1984).
T(°C) 0 25 60 100 150 200 250 300
log10K 2.26 1.67 0.91 0.13 -0.78 -1.65 -2.56 -3.62
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
-965.179206 -0.154879 54210.441272 349.894376 -3074151.809445