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 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-Vapor Equilibrium
Description: A small amount of liquid bromine is sealed into several glass tubes. Since bromine vapor is highly colored, a qualitative idea of the amount of vapor temperatures can be gained by immersing the tubes in water baths at various temperatures.
Source: Shakhashiri, B.Z. Chemical Demonstrations: A Handbook for Teachers of Chemistry
Year: 1985 Vol: 2 Page: 75
Keywords: Liquid-vapor equilibrium, Bromine, Vapor pressure vs. Temperature
Ratings:
Hazard: High
- Acute toxicity hazard
- Inhalation hazard
- Chemical burn hazard
- Skin corrosion hazard
- Serious eye damage
- Electric shock hazard
- Flammability hazard
Effectiveness: Good
- Results are clearly observable
- Clear contrast between behavior of systems
- Low failure rate
- Time to results is medium
- Some connection from demo to course material
Difficulty: Low
- Simple manipulations for most to perform
- Simple procedures
- Use of large glassware
Safety Precautions:
- Eye protection required
- Gloves required
- Perform in a well-ventilated area
- Sodium thiosulfate on hand
- Use chemically resistant surface
- Use of UL approved three-prong plug and outlet if required
- ABC fire extinguisher on hand if required
- Absorbent material on hand
Class: Intermolecular Forces, Equilibrium
Division: General
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