Electrolysis of water
Bildnummer 11696764
| Electrolysis of water. An apparatus to demonstrate electrolysis of water. Two electrodes are immersed in a cylinder containing water and a very dilute electrolyte (e.g. sulphuric acid). A filled test tube is placed inverted in the water directly above each electrode. When a current is applied to the electrodes,hydrogen is liberated at the cathode (left) and oxygen at the anode in the volume ratio of 2:1. Here the activity at the cathode is clearly the more vigorous. If both gases are diatomic (which they are),this shows that water contains twice as many hydrogen atoms as oxygen - H2O | |
| Lizenzart: | Lizenzpflichtig |
| Credit: | Science Photo Library |
| Bildgröße: | 4214 px × 4214 px |
| Modell-Rechte: | nicht erforderlich |
| Eigentums-Rechte: | nicht erforderlich |
| Restrictions: | - |
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