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 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
Liquid Viscosities II
Description: Several different liquids are allowed to flow through specially made viscometers; times of flow are compared.
This demonstration is available on JCE Software “Chem Demos II” laser disc and on video.
Source: Shakhashiri, B.Z. Chemical Demonstrations: A Handbook for Teachers of Chemistry
Year: 1989 Vol: 3 Page: 313
Keywords: Viscometers, Liquids, Time of flow, Constrictor tube, SAE Rating
Rating: 
Hazard: Low
- Spill hazard
- Mild carcinogenicity hazard
Effectiveness: Good
- Results are clearly observable
- Clear contrast of behavior of systems
- High reliability
- Time to results is low
- Some connection from demo to course material
Difficulty: Low
- Simple procedures
- Simple manipulations for most to perform
- Careful handling required
Safety Precautions:
- Absorbent material on hand
- Eye protection required
- Gloves recommended
Class: Intermolecular Forces, Hydrocarbons, Kinetics
Division: General, Physical Chemistry
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