Химия!! Помогите, даю 30 балов

Question

Химия!! Помогите, даю 30 балов

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Answer 1

1)4P+5O2-->2P2O5
2)P2O5+3H2O-->2H3PO4
3)H3PO4+3NaOH-->Na3PO4+3H2O

1)2Zn+O2-->2ZnO
2)ZnO+2HCl-->ZnCl2+H2O
3)ZnCl2+2NaOH-->Zn(OH)2+2NaCl
4)Zn(OH)2+H2SO4-->ZnSO4+2H2O

Answer 2

1)4P+5O2-->2P2O5

2)P2O5+3H2O-->2H3PO4

3)H3PO4+3NaOH-->Na3PO4+3H2O

1)2Zn+O2-->2ZnO

2)ZnO+2HCl-->ZnCl2+H2O

3)ZnCl2+2NaOH-->Zn(OH)2+2NaCl

4)Zn(OH)2+H2SO4-->ZnSO4+2H2O