№ | Reaction | Temperature, K | |||||||
293 | 313 | 353 | 373 | ||||||
ΔG˚ | LgK | ΔG˚ | LgK | ΔG˚ | LgK | ΔG˚ | LgK | ||
1 | NiCl2 + H2S + Fe = NiS + FeCl2 + H2 | −94.8 | 16.9 | −94.3 | 15.7 | −93.2 | 13.8 | −92.7 | 13.0 |
2 | FeS + NiCl2 = NiS + FeCl2 | −26.0 | 4.6 | −26.2 | 4.4 | −26.8 | 4.0 | −27.0 | 3.8 |
3 | Fe7S8 + 7NiCl2 = 7NiS + 7FeCl2 + S | −146.9 | 26.4 | −149.3 | 24.9 | −151.7 | 22.4 | −152.9 | 21.4 |
4 | NiCl2 + Fe = Ni + FeCl2 | −42.7 | 7.6 | −43.1 | 7.2 | −44.1 | 6.5 | −44.6 | 6.2 |
5 | Fe2S3 + 2NiCl2 = 2NiS + 2FeCl2 + S | 24.5 | −4.4 | 23.9 | −4.0 | 22.5 | −3.3 | 21.7 | −3.0 |
6 | NiCl2 + FeS2 = NiS + FeCl2 + S | 31.1 | −5.5 | 30.0 | −5.0 | 27.8 | −4.1 | 26.7 | −3.7 |