Formula : Cr(OH)3(PO4)-3
Dernière mise à jour le 25.01.2021
Cr(OH)3(PO4)-3
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 |
|---|---|---|---|---|---|
| 197.959 |
-1904126  (Ref.: Internal calculation) |
-2284470 (Ref.: 98zie/jon) Ziemniak S.E., Jones M.E. and Combs K.E.S. 1998. Solubility and phase behaviour of Cr(III) oxides in alkaline media at elevated temperatures. J. Solution Chemistry, Vol. 27, N1, p.33-66. |
-100.900 (Ref.: 98zie/jon) Ziemniak S.E., Jones M.E. and Combs K.E.S. 1998. Solubility and phase behaviour of Cr(III) oxides in alkaline media at elevated temperatures. J. Solution Chemistry, Vol. 27, N1, p.33-66. |
Reaction properties
Cr+3 + H2PO4- + 3H2O ⇌ Cr(OH)3(PO4)-3 + 5H+
298.15 K, 1 bar
log10K: -24.58
ΔH°r:116120 J·mol-1 (Ref.: 98zie/jon) Ziemniak S.E., Jones M.E. and Combs K.E.S. 1998. Solubility and phase behaviour of Cr(III) oxides in alkaline media at elevated temperatures. J. Solution Chemistry, Vol. 27, N1, p.33-66.
(Ref.: 98zie/jon) Ziemniak S.E., Jones M.E. and Combs K.E.S. 1998. Solubility and phase behaviour of Cr(III) oxides in alkaline media at elevated temperatures. J. Solution Chemistry, Vol. 27, N1, p.33-66. | T(°C) | 0 | 25 | 60 | 100 | 150 | 200 | 250 | 300 |
|---|---|---|---|---|---|---|---|---|
| log10K | -26.46 | -24.58 | -22.48 | -20.65 | -18.90 | -17.50 | -16.25 | -14.91 |
