Effect of Pressure Differences on a Balloon in a Flask
Description: A balloon is blown up inside a specially designed round bottom flask. The balloon will stay inflated as long as the pressure inside the flask is equal to atmospheric pressure.
Source: UW Card Catalog
Year: N/A Vol: N/A Page: N/A
Keywords: Balloon, Flask, Pressure, Vacuum, Stopper
Rating: 
Hazard: Low
- Breakage hazard
- Latex sensitivity hazard
Effectiveness: Average
- Mild effects are seen by audience
- Good reliability
- Some connection from demo to course material
- Time to result is low
Difficulty: Low
- Simple procedures
- Simple manipulations for most to perform
Safety precautions:
- Eye protection required
Class: Gases
Division: General
Home| General Chemistry Demonstrations