2Zn + O2 => 2ZnO
2K + O2 => K2O2
4Fe + 3O2 => 2Fe2O3
S + O2 => SO2
N2 + O2 => 2NO или 2N2 + 3O2 =>2N2O3
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2Zn + O2 => 2ZnO
2K + O2 => K2O2
4Fe + 3O2 => 2Fe2O3
S + O2 => SO2
N2 + O2 => 2NO или 2N2 + 3O2 =>2N2O3