Balloon Full of Carbon Dioxide
Effect of Pressure on Melting Point of Ice
The Liquid Phase of Carbon Dioxide
Vapor Pressure of Pure Liquids
Boiling Acetone at a Reduced Pressure
Magic Sand Models the Hydrophobic Effect
Surface Tension: Floating Duck
Surface Tension of Water: The Floating Paper Clip
Will Tissue Hold Water? Interfacial Tension
Computer NaCl Crystal Cleavage
Variation of Volume of Water With Temperature
Surface Spreading and Surface Tension
Gel Formation with Sodium Alginate and Calcium Chloride
Boiling Acetone or Water at Room Temperature
Density of Sulfur Hexafluoride and Sublimation of Certain Gases
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: Gas Laws, Thermodynamics
Division: General
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