Thermodynamics- Collapsing Aluminum Can

Collapsing Aluminum Can

Description: Water is boiled in an aluminum can. The can is quickly inverted into a container of water, and the can spontaneously crushes.

This demonstration is available on video and JCE “Chemistry Comes Alive!” Vol.1  CD-Rom

Source: Institute for Chemical Education Fun with Chemistry: A Guidebook of K-12 Activities  Vol. 1

Year: 1991 Vol: 1   Page: 159

Keywords: Water, Aluminum can, Pressure, Collapse, Vacuum

Rating:

Hazard: Some

  • Burn hazard
  • Scald hazard
  • Flammability hazard
  • Electric shock hazard

Effectiveness: Good

  • Results are observable without guidance
  • Good connection to course material
  • Low failure rate
  • Time to results is medium
  • Mild effects are seen by audience
  • Small scale demonstration

Difficulty: Medium

  • Timed manipulations
  • Some intermediate steps to results
  • Complex manipulations
  • Demos at non-standard conditions
  • Prior practice recommended

Safety Precautions:

  • Hot gloves required
  • Eye protection required
  • Absorbent material on hand
  • Flame resistant surface
  • Use UL approved three-prong plug and outlet
  • ABC fire extinguisher on hand
  • Avoid exposure to open flame

Class:  Gas Laws, Intermolecular Forces

Division: General, Physical Chemistry