Question

Докончить уравнения химических реакции

 Н2+О2=?

Zn + HCl=?

P + O2 =?

Na + H2O=?

Answer 1

2H2+O2=2H2O
Zn+2HCl=ZnCl2+H2
4P+5O2=2P2O5
2Na+2H2O=2NaOH+H2

Answer 2

1)2H2+O2+2H2O
2)Zn+2HCl=ZnCl2+H2
3)5P+O2=P2O5
4)2Na+2H2O=NaOH+H2

Answer 3

3)10P+5O2=5P2O5