Sodium cut and dropped in water
Videonummer 11924208
| Elemental sodium metal being cut with a scalpel. Sodium has the atomic number 11, and is a soft, very reactive alkali metal. When cut with a scalpel, the shiny exposed metal surface reacts rapidly with oxygen and water in the air, forming a duller layer of sodium oxide and hydroxide (this has been sped up five times here). When sodium metal is dropped into water, the heat from the reaction is sufficient to melt it into a ball, and the reaction produces hydrogen gas and sodium hydroxide. The indicator phenolphthalein has been added to the water, which turns pink due to the presence of the strongly alkaline sodium hydroxide. | |
| Lizenzart: | Lizenzpflichtig |
| Credit: | Science Photo Library |
| Modell-Rechte: | Derzeit liegt noch kein Release vor. Bitte kontaktieren Sie uns vor Verwendung. |
| Eigentums-Rechte: | nicht erforderlich |
| Länge: | 40 Sekunden |
| Seitenverhältnis: | 16:9 |
| Restrictions: | - |
Preise für dieses Video ab 100 €
Werblich (Einzelne Webseiten etc.)
ab 100 €
Redaktionell (Einzelne Webseiten etc.)
ab 175 €
Medien (TV Film, Serie, TV Doku etc.)
ab 230 €