Liquid Viscosities I
Description: Metal spheres are dropped through test tubes of various liquids. The rate of fall is related to the molecular weight and hydrogen bonding of liquid.
Source: UW Card Catalog
Year: N/A Vol: N/A Page: N/A
Keywords: Metal spheres, Octanol, Glycerol, Isopropanol, Viscosity
Rating: 
Hazard: Some
- Spill hazard
- Flammability hazard
- Electric shock hazard
- Acute toxicity hazard
Effectiveness: Average
- Results are hard to perceive
- Mild effects are seen by audience
- Good reliability
- Time to results is medium
- Some connection from demo to course material
Difficulty: Low
- Simple procedures
- Simple manipulations
- Demos in which a display is used
Safety Precautions:
- Eye protection required
- Gloves recommended
- ABC fire extinguisher on hand
- Use UL approved three-prong plug and outlet
- Avoid exposure to droplets, mists, or vapors
Class: Intermolecular Forces, Physical Properties
Division: General, Physical Chemistry
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