File:Potassium water 20.theora.ogv
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Potassium_water_20.theora.ogv (Ogg multiplexed audio/video file, Theora/Vorbis, length 5.6 s, 640 × 480 pixels, 1.17 Mbps overall)
Summary
A reaction of potassium metal with water. Hydrogen is liberated that burns with a pink/lilac flame, the flame color owing to burning potassium vapour. Strongly alkaline potassium hydroxide is formed in solution.
Copyright status:
Creative Commons Attribution-Share Alike 3.0 Unported license.
Source:
Ozone aurora / Philip Evans
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:24, 17 June 2017 | 5.6 s, 640 × 480 (800 KB) | Thales (talk | contribs) | A reaction of potassium metal with water. Hydrogen is liberated that burns with a pink/lilac flame, the flame color owing to burning potassium vapour. Strongly alkaline potassium hydroxide is formed in solution. |
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File usage
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Transcode status
Update transcode status| Format | Bitrate | Download | Status | Encode time |
|---|---|---|---|---|
| WebM 480P | 1.1 Mbps | Download file | Completed 00:30, 7 August 2017 | 9.0 s |
| WebM 360P | 583 kbps | Download file | Completed 15:09, 11 August 2017 | 6.0 s |
| WebM 240P | 330 kbps | Download file | Completed 00:30, 7 August 2017 | 4.0 s |
| WebM 160P | 213 kbps | Download file | Completed 15:30, 11 August 2017 | 2.0 s |
| Ogg 480P | 1.34 Mbps | Download file | Completed 15:04, 11 August 2017 | 8.0 s |
| Ogg 360P | 981 kbps | Download file | Completed 15:11, 11 August 2017 | 6.0 s |
| Ogg 240P | 517 kbps | Download file | Completed 15:50, 11 August 2017 | 3.0 s |
| Ogg 160P | Not ready | Error on 00:35, 7 August 2017 |
