2K2SO4.Fe2(SO4)3:14H2O

Formula : K4Fe2(SO4)5:14H2O

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
1000.620 -8277053 (Ref.: 04chr) Christov C., 2004. 'Pitzer ion-interaction parameters for Fe(II) and Fe(III) in the quinary {Na + K + Mg + Cl + SO4 + H2O} system at T = 298.15 K.' J. Chem. Thermod. 36: 223-235.
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

2K2SO4.Fe2(SO4)3:14H2O ⇌ 2Fe+3 + 4K+ + 5SO4-2 + 14H2O

298.15 K, 1 bar log10K: -13.03 ΔH°r: J·mol-1 (Ref.: )
T(°C) 0 25 60 100 150 200 250 300
log10K -13.03 -13.03 -13.03 -13.03 -13.03 -13.03 -13.03 -13.03
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
-13.031981 0.000000 0.000000 0.000000 0.000000