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Ответ

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Ответ дан
zubareva45

a)

2Ca+O₂=2CaO

4AI+3O₂=2AI₂O₃

б)

C+O₂=CO₂

4P+5O₂=2P₂O₅

Ответ

Ответ дан
jnona

кисень з металом:

2Ва+О2=2ВаО

4Li + O2= 2Li2O

кисень з неметалом:

2Н2+О2=2Н2О

2С+О2(нестача)=2СО

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