Fe+2

Formula : Fe+2

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 -22.309 (Ref.: 88sho/hel,85hel,89bsho/hel,97asho/sas) -90530 (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. -90000 (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. -101.582 (Ref.: Internal calculation) -27.16 (Ref.: 88sho/hel,85hel,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
-3.2916 -40.5718 39.9484 -9.9496 61.8646 -19.4292 6.0174
Reaction properties

Fe+2 ⇌ Fe+2

298.15 K, 1 bar log10K: 0.00 ΔH°r:0 J·mol-1 (Ref.: By convention)
T(°C) 0 25 60 100 150 200 250 300
log10K 0.00
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E