File:Elephant toothpaste reaction (peroxide decomposition).ogg
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Elephant_toothpaste_reaction_(peroxide_decomposition).ogg (Ogg multiplexed audio/video file, Theora/Vorbis, length 1 min 21 s, 360 × 270 pixels, 877 kbps overall, file size: 8.51 MB)
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Summary[edit]
| Description |
"Elephant toothpaste" chemistry demonstration. Hydrogen peroxide solution (with a small amount of soap) is rapidly decomposed by an iodide catalyst, releasing oxygen as a soapy foam. Note the steam, indicating an exothermic reaction. The burning splint indicates the presence of oxygen. |
|---|---|
| Source | |
| Date |
22 Aug 2012 |
| Author |
Youtube user: "ScienceCOLA" |
| Permission (Reusing this file) |
Visible on source page.
|
Licensing[edit]
  | This work is licensed under the Creative Commons Attribution 3.0 License. |
 | This media file is either in the public domain or published under a free license, and contains no inbound file links. If this media file is useful, then it should be transferred to the Wikimedia Commons. If this media is not useful, then please propose it for deletion or list it at files for discussion. |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:36, 7 April 2014 | 1 min 21 s, 360 × 270 (8.51 MB) | Mysterious Whisper (talk | contribs) | better | |
| 11:04, 21 March 2014 | 1 min 21 s, 480 × 360 (9.05 MB) | Mysterious Whisper (talk | contribs) | Uploading a file from a free published source using File Upload Wizard |
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