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人教版九年級(上冊)化學(xué)常用化學(xué)方程式

2023-08-17 10:31 作者:晗奈hannai  | 我要投稿

1,高錳酸鉀制取氧氣:

2KMnO_%20%7B4%7D%3D%3D%E5%8A%A0%E7%83%AD%3D%3DK_%7B2%7D%20MnO_%7B4%7D%20%2BMnO_%7B2%7D%20%2BO_%7B2%7D%20%5Cuparrow%20

2,過氧化氫制取氧氣:

2H_%7B2%7D%20O_%7B2%7D%3D%3DMnO_%7B2%7D%20%3D%3D2H_%7B2%7D%20O%2BO_%7B2%7D%20%5Cuparrow%20

3,氯酸鉀制取氧氣:

2KClO_%7B3%7D%20%3D%3D%E4%BA%8C%E6%B0%A7%E5%8C%96%E9%94%B0%2F%E5%8A%A0%E7%83%AD%3D%3D2KCl%2B3O_%7B2%7D%20%5Cuparrow%20

4,磷在氧氣中燃燒:

4P%2B5O_%7B2%7D%20%3D%3D%E7%82%B9%E7%87%83%3D%3D2P_%7B2%7D%20O_%7B5%7D%20

5,硫在氧氣中燃燒:

S%2BO_%7B2%7D%20%3D%3D%E7%82%B9%E7%87%83%3D%3DSO_%7B2%7D%20

6,硫在氧氣中燃燒:

3Fe%2B2O_%7B2%7D%20%3D%3D%E7%82%B9%E7%87%83%3D%3DFe_%7B3%7D%20O_%7B4%7D%20

7,木炭在氧氣中燃燒:

C%2BO_%7B2%7D%20%3D%3D%E7%82%B9%E7%87%83%3D%3DCO_%7B2%7D%20

8,電解水:

2H_%7B2%7D%20O%3D%3D%E9%80%9A%E7%94%B5%3D%3D2H_%7B2%7D%20%2BO_%7B2%7D%20

9,鐵與硫酸銅的反應(yīng):

Fe%2BCuSO_%7B4%7D%20%3D%3DCu%2BFeSO_%7B4%7D%20

10,鎂與氧氣的反應(yīng):

2Mg%2BO_%7B2%7D%20%3D%3D%E7%82%B9%E7%87%83%3D%3D2MgO

11,氧化銅與氫氣的反應(yīng):

CuO%2BH_%7B2%7D%3D%3D%E5%8A%A0%E7%83%AD%3D%3DCu%2BH_%7B2%7DO%20%20

12,氫氧化鈉與硫酸銅的反應(yīng):

CuSO_%7B4%7D%2B2NaOH%3D%3DNa_%7B2%7D%20SO_%7B4%7D%2BCu(OH)_%7B2%7D%5Cdownarrow%20%20%20%20

13,碳酸鈣與鹽酸制取二氧化碳:

CaCO_%7B3%7D%20%2B2HCl%3D%3DCaCl_%7B2%7D%2BCO_%7B2%7D%5Cuparrow%20%20%2B%20H_%7B2%7DO%20

14,氧化鈣與水的反應(yīng):

Cao%2BH_%7B2%7DO%3D%3D%20Ca(OH)_%7B2%7D

15,二氧化碳與氫氧化鈣的反應(yīng):

CO_%7B2%7D%2BCa(OH)_%7B2%7D%20%20%3D%3DCaCO_%7B3%7D%5Cdownarrow%20%20%2BH_%7B2%7DO%20

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