Aluminium reacts with sulfuric acid
Numéro d’image : 12635646
| Aluminium reacts with sulfuric acid. Aluminium (Al) coil is placed in a test tube with concentrated (18M) sulfuric acid (H2SO4) at room temperature. The acid first reacts with aluminium oxide (Al2O3) layer that protects the metal: Al2O3 + H2SO4 -> Al2 (SO4)3 + H2O. This reaction is not very evident, it appears that not much is happening initially (left frame). After several minutes, hydrogen gas (H2) bubbles start to appear (middle frame): Al + H2SO4 -> Al2 (SO4)3 + H2. The reaction becomes more vigorous after that (right frame). This is an example of a single displacement reaction. | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Giphotostock |
| Taille de l’image : | 7000 px × 3532 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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