Balloon Full of Carbon Dioxide
Description: Powdered dry ice is put into a balloon, and the balloon is sealed by tying the neck. In time the balloon inflates.
Source: Institute for Chemical Education: Fun with Chemistry: A Guidebook of K-12 Activities Vol. 1
Year: 1991 Vol: 1 Page: 13
Keywords: Dry ice, Sublimation, Gas, Balloon, Pressure
Rating: 
Hazard: Some
- Cryogenic burn hazard
- Asphyxiation hazard
Effectiveness: Good
- Good connection from demo to course material
- Results are clearly observable
- Low failure rate
- Time to results is medium
Difficulty: Low
- Demos do not involve deep attention
- Manipulations are simple for most to perform
- Some intermediate steps to results
Safety Precautions:
- Eye protection required
- Cryogenic gloves required
- Perform in a well-ventilated area
Class: Physical Chemistry, Thermodynamics
Division: General
Home| General Chemistry Demos