Cr2(SO4)3(s)

Formula : Cr2(SO4)3

Family: 
Sulfates

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
392.123 130.210 (Ref.: 94pan) Pankratz L. B., 1994, Thermodynamic Properties of Carbides, Nitrides, and Other Selected Substances (U. S. Bureau of Mines Bulletin 696, 1994, 957 p). -2598711 (Ref.: Internal calculation) -2931300 (Ref.: 91kna/kub) O. Knacke, O. Kubaschewski and K. Hesselmann: Thermochemical Properties of Inorganic Substances, Second Edition, (Springer-Verlag, 1991) 258.800 (Ref.: 91kna/kub) O. Knacke, O. Kubaschewski and K. Hesselmann: Thermochemical Properties of Inorganic Substances, Second Edition, (Springer-Verlag, 1991) 280.75 (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.
358.07 79.50 -89.80 (Ref.: 91kna/kub) O. Knacke, O. Kubaschewski and K. Hesselmann: Thermochemical Properties of Inorganic Substances, Second Edition, (Springer-Verlag, 1991)
Reaction properties

Cr2(SO4)3(s) ⇌ 2Cr+3 + 3SO4-2

298.15 K, 1 bar log10K: 4.38 ΔH°r:-277720 J·mol-1 (Ref.: 91kna/kub) O. Knacke, O. Kubaschewski and K. Hesselmann: Thermochemical Properties of Inorganic Substances, Second Edition, (Springer-Verlag, 1991)
T(°C) 0 25 60 100 150 200 250 300
log10K 8.55 4.38 -1.08 -6.76 -13.25 -19.41 -25.61 -32.43
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
-4983.494224 -0.808440 285887.203731 1800.248346 -16405966.669772