Formula : Ni3S2
Family:
Dernière mise à jour le 25.01.2021
Ni3S2
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 |
|---|---|---|---|---|---|
| 240.212 |
40.714  (Ref.: 04roi) Roine A., 2004. HSC Chemistry: v5.0, Outokompu Research Oy: Pori. |
-211172 (Ref.: Internal calculation) |
-217200 (Ref.: 05gam/bug) Gamsjager, H., Bugajski, J., Gajda, T., Lemire, R., 2005. Chemical Thermodynamics of Nickel. Elsevier Science. |
133.500 (Ref.: 05gam/bug) Gamsjager, H., Bugajski, J., Gajda, T., Lemire, R., 2005. Chemical Thermodynamics of Nickel. Elsevier Science. |
118.22 (Ref.: 05gam/bug) Gamsjager, H., Bugajski, J., Gajda, T., Lemire, R., 2005. Chemical Thermodynamics of Nickel. Elsevier Science. |
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. |
|---|---|---|---|
| 90.75 | 82.02 | 2.68 |
(Ref.: 05gam/bug) Gamsjager, H., Bugajski, J., Gajda, T., Lemire, R., 2005. Chemical Thermodynamics of Nickel. Elsevier Science. |
Reaction properties
Ni3S2 + 0.5O2 + 4H+ ⇌ 3Ni+2 + 2HS- + H2O
298.15 K, 1 bar
log10K: 25.56
ΔH°r:-273663 J·mol-1 (Ref.: 05gam/bug) Gamsjager, H., Bugajski, J., Gajda, T., Lemire, R., 2005. Chemical Thermodynamics of Nickel. Elsevier Science.
(Ref.: 05gam/bug) Gamsjager, H., Bugajski, J., Gajda, T., Lemire, R., 2005. Chemical Thermodynamics of Nickel. Elsevier Science. | T(°C) | 0 | 25 | 60 | 100 | 150 | 200 | 250 | 300 |
|---|---|---|---|---|---|---|---|---|
| log10K | 29.83 | 25.56 | 20.39 | 15.41 | 10.18 | 5.63 | 1.43 | -2.78 |
