Question

viết PTHH khi đốt cháy các chất sau :

khí hiđro, photpho (V), lưu huỳnh, natri, canxi, nhôm, sắt, cacbon, kẽm, khí metan, khí axetilen C₂H₂, benzen C₆H₆

Answer 1

2H₂ + O₂ \(\underrightarrow{t^o}\) 2H₂O

4P + 5O₂ \(\underrightarrow{t^o}\) 2P₂O₅

S + O₂ \(\underrightarrow{t^o}\) SO₂

4Na + O₂ \(\underrightarrow{t^o}\) 2Na₂O

2Ca + O₂ \(\underrightarrow{t^o}\) 2CaO

4Al + 3O₂ \(\underrightarrow{t^o}\) 2Al₂O₃

3Fe + 2O₂ \(\underrightarrow{t^o}\) Fe₃O₄

C + O₂ \(\underrightarrow{t^o}\) CO₂

2Zn + O₂ \(\underrightarrow{t^o}\) 2ZnO

CH₄ + 2O₂ \(\underrightarrow{t^o}\) CO₂ + 2H₂O

2C₂H₂ + 5O₂ \(\underrightarrow{t^o}\) CO₂ + 2H₂O

2C₆H₆ + 15O₂ \(\underrightarrow{t^o}\) 12CO₂ + 6H₂O