Balloon Full of Carbon Dioxide
Effect of Pressure on Melting on Ice
The Liquid Phase of Carbon Dioxide
Vapor Pressure of Pure Liquids
Boiling Acetone at Reduced Pressure
Magic Sand Models 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 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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