Balloon Full of Carbon Dioxide
Effect or 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
Solid-Vapor Equilibrium
Description: A small amount of solid iodine is sealed into a glass tube. A qualitative idea of the amount of vapor at various temperatures can be gained by immersing the tubes in a hot water bath.
Source: Shakhashiri, B.Z. Chemical Demonstrations: A Handbook for Teachers of Chemistry
Year: 1985 Vol: 2 Page: 78
Keywords: Solid-Vapor equilibrium, Iodine, Vapor pressure vs. Temperature, Sublimation
Rating: 
Hazard: Some
- Acute toxicity hazard
- Inhalation hazard
- Skin corrosion hazard
- Serious eye damage
- Electric shock hazard
- Burn hazard
Effectiveness: Average
- Results are observable with guidance
- Somewhat connected conceptually to course material
- Mild effects are seen by audience
- Good reliability
- Time to results is high
Difficulty: Some
- Simple procedures
- Simple manipulations for most to perform
- Demos at non-standard conditions
Safety Precautions:
- Eye protection required
- Gloves recommended
- Perform in a well-ventilated area
- Use of UL approved three-prong plug and outlet
- Absorbent material on hand
- Handle ampule with care
Class: Liquids and Solids, Intermolecular Forces
Division: General
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