Transport of Carbon Dioxide Through a Soap Film
Description: A soap bubble floats on carbon dioxide gas and grows in size due to gas penetrating the bubble.
Source: Shakhashiri, B.Z. Chemical Demonstrations: A Handbook for Teachers of Chemistry
Year: 1985 Vol: 2 Page: 228
Keywords: Carbon Dioxide, Soap bubbles, Dry ice, Sodium Bicarbonate
Rating: 
Hazard: Some
- Cryogenic burn hazard
- Asphyxiation hazard
Effectiveness: Good
- Low failure rate
- Results are clearly observable with guidance
- Time to results is medium
- Demo is somewhat connected to course material
- Mild effects are seen by audience
Difficulty: Low
- Simple manipulations for most to perform
- Simple procedures
- Demos at non-standard conditions
Safety Precautions:
- Eye protection required
- Cryogenic gloves required
- Perform in a well-ventilated area
- Temperature resistant surface recommended
Class: Gases, Kinetics
Division: General, Physical Chemistry
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