Помогите пожалуйста. Решите и объясните как это решать.
FeO+CO--Fe+CO2
Fe3O4+CO--CO2+Fe
FeO3+CO--Fe+Co2
Na+H2O--NaOH+H2
Na+NH3--NaNH2+H2
H2O+K--H2+KOH
CaO+H2O--CA(OH)
FE+H2O--FE3O4+H2
H2O2--H2O+O2
CU(NO3)2--CUO+NO2
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