Помогите пожжжжжжжжжж срочнр

Question

Помогите пожжжжжжжжжж срочнр

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Answer 1

1.2Ca+O2=2CaO

2.H2+F2=2HF

3.Pb3O4+4H2=3Pb+4H2O

4.Na+h2o= naoh+h2

5.cao+h2o=ca(oh)2

6. n2o5+h2o=2hno3

7.C6H2+O2=CO2+H2O

Comments

7. 2C6H2+7O2=4CO2+6H2O