Formula : Ni9S8
Family:
Dernière mise à jour le 25.01.2021
Ni9S8
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 |
|---|---|---|---|---|---|
| 784.769 |
-746803  (Ref.: Internal calculation) |
-760000 (Ref.: 05gam/bug) Gamsjager, H., Bugajski, J., Gajda, T., Lemire, R., 2005. Chemical Thermodynamics of Nickel. Elsevier Science. |
481.000 (Ref.: 05gam/bug) Gamsjager, H., Bugajski, J., Gajda, T., Lemire, R., 2005. Chemical Thermodynamics of Nickel. Elsevier Science. |
406.68 (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. |
|---|---|---|---|
| 229.89 | 437.34 | 41.24 |
(Ref.: 05gam/bug) Gamsjager, H., Bugajski, J., Gajda, T., Lemire, R., 2005. Chemical Thermodynamics of Nickel. Elsevier Science. |
Reaction properties
Ni9S8 + 0.94444O2 + 10H+ ⇌ 9Ni+2 + 7.55556HS- + 0.22222S2O3-2
298.15 K, 1 bar
log10K: -1.65
ΔH°r:-381495 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 | 4.08 | -1.65 | -9.14 | -16.89 | -25.76 | -34.25 | -42.97 | -52.84 |
