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№1Fe(0)--->Fe(+3)--->Fe(0)--->Fe(+2)--->Fe(OH)2--->FeO
№2
FeS2--->Fe2O3--->Fe3O4--->FeO--->Fe--->Fe(SO4)2
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Выполнить реакции
№1Fe(0)--->Fe(+3)--->Fe(0)--->Fe(+2)--->Fe(OH)2--->FeO
№2
FeS2--->Fe2O3--->Fe3O4--->FeO--->Fe--->Fe(SO4)2
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Answers & Comments
4Fe+3O2=2Fe2O3
Fe2O3+3CO=2Fe+3CO
Fe+2Hcl=FeCl2+H2
FeCl2+2KOH=2KCl+Fe(OH)2
Fe(OH)2=t=FeO+H2O
4FeS2+11O2=2Fe2O3+8SO2
3Fe2O3+H2=2Fe3O4+H2O
2Fe3O4=t=6FeO+O2
FeO+C=t=Fe+CO
Fe+H2SO4=FeSO4+H2 или если Fe(III) 2Fe+6H2SO4=t=Fe2(SO4)3+3SO2+6H2O