Root Beer Fountain
Description: A short metal rod is heated and then dropped into a freshly opened bottle of root beer. A fountain of foam shoots out since carbon dioxide is less soluble in warm root beer than cold root beer.
Source: Chem 13 News #267
Year: 1998 Vol: 7 Page: 27
Keywords: Root beer, Carbon dioxide, Metal rod, Temperature, Solubility
Ratings:
Hazard: Some
- Electric shock hazard
- Flammability hazard
- Burn/scald hazard
Effectiveness: Good
- Good connection from demo to course material
- Results are clearly observable to audience
- High reliability
- Time to results is low
- Contrast in system behavior obvious
- Good effects are seen by audience
Difficulty: Medium
- Procedures with some intermediate steps to results
- Simple manipulations for most to perform
- Reaction or demos at non-standard conditions
Safety Precautions:
- Eye protection required
- Thermal gloves recommended
- Tongs recommended
- Absorbent materials on hand
- Use of tray recommended
- Use of UL approved three-prong plug and outlet required
- ABC fire extinguisher on hand
Class: Solubility, Properties of Solutions
Division: General
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