Thermodynamics- Shapes of Soap Films and Bubbles

Shapes of Soap Films and Bubbles

Description: The form of soap films on variously shaped wire forms is examined

Source: Shakahashiri, B.Z. Chemical Demonstrations: A Handbook for Teachers of Chemistry

Year: 1989  Vol:Page: 381

Keywords:  Soap bubbles, Film shapes, Surface tension, Viscosity

Rating:

Hazard: Low

  • No toxic reagents or mixtures in use

Effectiveness: Good

  • Clear contrast between behavior of systems
  • Low failure rate
  • Clearly observable without guidance
  • Time to results is low
  • Some connection from demo to course material

Difficulty: Low

  • Simple procedures
  • Simple manipulations for most to perform
  • Demos do not involve deep attention

Safety Precautions:

  • Eye protection required
  • Absorbent materials on hand
  • Gloves recommended

Class: Properties and Solutions, Surface Tension, Thermodynamics

Division: General, Physical Chemistry

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