Dưới đây là các phương trình hóa học từ hình ảnh bạn đã cung cấp:

1. \( \text{Na} + \text{H}_3\text{PO}_4 \rightarrow \text{Na}_3\text{PO}_4 + \text{H}_2 \)
2. \( \text{Ca(OH)}_2 + \text{HCl} \rightarrow \text{CaCl}_2 + \text{H}_2\text{O} \)
3. \( \text{Mg} + \text{HCl} \rightarrow \text{MgCl}_2 + \text{H}_2 \)
4. \( \text{Na}_2\text{S} + \text{HCl} \rightarrow \text{NaCl} + \text{H}_2\text{S} \)
5. \( \text{Al(OH)}_3 + \text{H}_2\text{SO}_4 \rightarrow \text{Al}_2(\text{SO}_4)_3 + \text{H}_2\text{O} \)
6. \( \text{KMnO}_4 \rightarrow \text{K}_2\text{MnO}_4 + \text{MnO}_2 + \text{O}_2 \)
7. \( \text{KClO}_3 \rightarrow \text{KCl} + \text{O}_2 \)
8. \( \text{Ba(OH)}_2 + \text{HCl} \rightarrow \text{BaCl}_2 + \text{H}_2\text{O} \)
9. \( \text{N}_2\text{O}_5 + \text{H}_2\text{O} \rightarrow \text{HNO}_3 \)
10. \( \text{Fe(OH)}_3 \rightarrow \text{Fe}_2\text{O}_3 + \text{H}_2\text{O} \)
11. \( \text{Fe}_2\text{O}_3 + \text{HCl} \rightarrow \text{FeCl}_3 + \text{H}_2\text{O} \)
12. \( \text{P}_2\text{O}_5 + \text{H}_2\text{O} \rightarrow \text{H}_3\text{PO}_4 \)
13. \( \text{SO}_2 + \text{NaOH} \rightarrow \text{Na}_2\text{SO}_3 + \text{H}_2\text{O} \)
14. \( \text{Mg(OH)}_2 + \text{H}_3\text{PO}_4 \rightarrow \text{Mg}_3(\text{PO}_4)_2 + \text{H}_2\text{O} \)

Nếu bạn cần thêm thông tin chi tiết hoặc giải thích về một trong các phương trình này, hãy cho tôi biết!