Giải thích các bước giải:
1. $4Na+O_{2} \xrightarrow{{t^o}} 2Na_{2}O$
2. $4K+O_{2} \xrightarrow{{t^o}} 2K_{2}O$
3. $2Ba + O_{2} \xrightarrow{{t^o}} 2BaO$
4. $2Ca + O_{2} \xrightarrow{{t^o}} 2CaO$
5. $2Fe + O_{2} \xrightarrow{{t^o}} 2FeO$
6. $4Fe + 3O_{2} \xrightarrow{{t^o}} 2Fe_{2}O_{3}$
7. $3Fe + 2O_{2} \xrightarrow{{t^o}} Fe_{3}O_{4}$
8. $4Al + 3O_{2} \xrightarrow{{t^o}} 2Al_{2}O_{3}$
9. $4P + 5O_{2} \xrightarrow{{t^o}} 2P_{2}O_{5}$
10. $4P + 3O_{2} \xrightarrow{{t^o}} 2P_{2}O_{3}$
11. $2SO_{2} + O_{2} \xrightarrow{{t^o}} 2SO_{3}$
12. $2K + Cl_{2} \xrightarrow{{t^o}} 2KCl$
13. $2Fe + 3Cl_{2} \xrightarrow{{t^o}} 2FeCl_{3}$
14. $Ca + Cl_{2} \xrightarrow{{t^o}} CaCl_{2}$
15. $2FeCl_{2} + Cl_{2} \xrightarrow{{t^o}} 2FeCl_{3}$
