T/(℃)	${FeSO}_{4} + {2H}_{2} (g) = Fe + {2H}_{2} O + {SO}_{2} (g)$	${Fe}_{2} O_{3} + {3H}_{2} (g) = 2Fe + {3H}_{2} O (g)$
T/(℃)	ΔG/(KJ/mol)	ΔG/(KJ/mol)
0.000	51.275	58.879
100.000	47.558	45.057
200.000	42.435	32.518
300.000	36.122	21.089
400.000	28.237	10.589
500.000	18.586	0.871
600.000	7.398	−8.188
700.000	−5.174	−16.676
800.000	−19.038	−24.912
900.000	−34.037	−33.072
1000.000	−50.048	−41.182
1100.000	−66.875	−49.058
1200.000	−84.440	−56.723
1300.000	−102.687	−64.210
1400.000	−121.542	−71.499
1500.000	−141.065	−78.827
1600.000	−161.629	−87.013
1700.000	−183.028	−95.665
1800.000	−204.939	−104.212
1900.000	−227.331	−112.667
2000.000	−250.172	−121.037