Formula : Fe2(OH)2+4
Dernière mise à jour le 25.01.2021
Fe2(OH)2+4
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 |
|---|---|---|---|---|---|
| 145.709 |
-490173  (Ref.: 07ste) Stefansson A. (2007) Iron(III) hydrolysis at 25C. Environ. Sci. Technol. 2007, 41, 6117-6123 |
-613180 (Ref.: 76bae/mes) Baes Jr. C.F., and Mesmer R.E., 1976. The Hydrolysis of Cations. Wiley Interscience, 489 pp. |
-283.455 (Ref.: Internal calculation) |
Reaction properties
2Fe+3 + 2H2O ⇌ Fe2(OH)2+4 + 2H+
298.15 K, 1 bar
log10K: -2.92
ΔH°r:56480 J·mol-1 (Ref.: 76bae/mes) Baes Jr. C.F., and Mesmer R.E., 1976. The Hydrolysis of Cations. Wiley Interscience, 489 pp.
(Ref.: 76bae/mes) Baes Jr. C.F., and Mesmer R.E., 1976. The Hydrolysis of Cations. Wiley Interscience, 489 pp. | T(°C) | 0 | 25 | 60 | 100 | 150 | 200 | 250 | 300 |
|---|---|---|---|---|---|---|---|---|
| log10K | -3.84 | -2.92 | -1.91 | -1.04 | -0.21 | 0.50 | 1.21 | 2.02 |
