Kinetics- Transport of Carbon Dioxide Through a Soap Film

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