а) S+O2=SO2
Fe+2S=FeS2
3N2+3F2=2NF3
б) 2Al+3Br2=2AlBr3
3Pb+2O2=Pb3O4
2FeO+O2=Fe2O3
Держи
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а) S+O2=SO2
Fe+2S=FeS2
3N2+3F2=2NF3
б) 2Al+3Br2=2AlBr3
3Pb+2O2=Pb3O4
2FeO+O2=Fe2O3
Держи