Fe+3

Formula : Fe+3

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
55.847 -37.195 (Ref.: 88sho/hel,89bsho/hel,97asho/sas) -16280 (Ref.: 95par/kho) Parker, V.B., Khodakovsky, I.L. (1995) Thermodynamic properties of aqueous ions (2+ et 3+) of iron and the key compouds of iron. J. Phys. Chem. Ref. Data 24 (5) p. 1699-1745. -49000 (Ref.: 95par/kho) Parker, V.B., Khodakovsky, I.L. (1995) Thermodynamic properties of aqueous ions (2+ et 3+) of iron and the key compouds of iron. J. Phys. Chem. Ref. Data 24 (5) p. 1699-1745. -278.443 (Ref.: Internal calculation) -67.23 (Ref.: 88sho/hel,89bsho/hel,97asho/sas)
HKF coefficients
a1·10
J·mol-1·bar-1
 a2·10-2
J·mol-1
 a3
J·K·mol-1·bar-1
 a4·10-4
J·K·mol-1
 c1
J·mol-1·K-1
 c2·10-4
J·K·mol-1
 ω·10-5
J·mol-1
-10.1487 -57.3045 46.5014 -9.2579 79.6880 -28.5487 10.7997
Reaction properties

0.25O2 + Fe+2 + H+ ⇌ Fe+3 + 0.5H2O

298.15 K, 1 bar log10K: 8.49 ΔH°r:-98882 J·mol-1 (Ref.: 95par/kho) Parker, V.B., Khodakovsky, I.L. (1995) Thermodynamic properties of aqueous ions (2+ et 3+) of iron and the key compouds of iron. J. Phys. Chem. Ref. Data 24 (5) p. 1699-1745.
T(°C) 0 25 60 100 150 200 250 300
log10K 10.06 8.49 6.65 4.94 3.21 1.78 0.56 -0.52
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
-212.373466 -0.035301 16059.768765 74.699184 -650236.966690