Fe2(SO4)3

Formula : Fe2(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
399.885 130.800 (Ref.: 95rob/hem) Robie R.A., and Hemingway B.S., 1995. Thermodynamic properties of minerals and related substances at 298.15 K and 1 Bar (105 Pascals) pressure and at higher temperatures. U.S. Geol. Survey Bull., 2131, 461 pp. -2264357 (Ref.: Internal calculation) -2585200 (Ref.: 05maj/nav) Majzlan, J., Navrotsky, A., Stevens, R., Donaldson, M., Woodfield, B.F., Boerio-Goates, J. (2005) Thermodynamics of monoclinic Fe2(SO4)3. Journal of Chemical Thermodynamics 37, 802-809 305.600 (Ref.: 05maj/nav) Majzlan, J., Navrotsky, A., Stevens, R., Donaldson, M., Woodfield, B.F., Boerio-Goates, J. (2005) Thermodynamics of monoclinic Fe2(SO4)3. Journal of Chemical Thermodynamics 37, 802-809 272.77 (Ref.: 02hem/sea) Hemingway, B.S., Seal, R.R., II, and Chou, I-M. (2002) Thermodynamic data for modeling acid mine drainage problems. Part I. Selected soluble iron-sulfate minerals. U.S. Geological Survey Open File Report 02 - 161, 13 p.
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.
213.00 312.10 -29.59 (Ref.: 02hem/sea) Hemingway, B.S., Seal, R.R., II, and Chou, I-M. (2002) Thermodynamic data for modeling acid mine drainage problems. Part I. Selected soluble iron-sulfate minerals. U.S. Geological Survey Open File Report 02 - 161, 13 p.
Reaction properties

Fe2(SO4)3 ⇌ 2Fe+3 + 3SO4-2

298.15 K, 1 bar log10K: 0.04 ΔH°r:-240820 J·mol-1 (Ref.: 05maj/nav) Majzlan, J., Navrotsky, A., Stevens, R., Donaldson, M., Woodfield, B.F., Boerio-Goates, J. (2005) Thermodynamics of monoclinic Fe2(SO4)3. Journal of Chemical Thermodynamics 37, 802-809
T(°C) 0 25 60 100 150 200 250 300
log10K 3.63 0.04 -4.73 -9.75 -15.56 -21.14 -26.85 -33.25
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
-5025.461185 -0.811930 286395.915856 1815.688864 -16516778.145496