Chemiluminescent Ammonia Fountain
Crystallization From Supersaturated Solutions of Sodium Acetate
Density and Miscibility of Liquids
Electrical Conductivity of Liquids and Solutions
Osmotic Pressure of a Sugar Solution
Vapor Pressure of Solutions: Raoult’s Law
A Visual Demonstration of Raoult’s Law
Water Softening – Hard and Soft Water With Soap
Clean Air With the Cottrell Precipitator
Color of Sunset: The Tyndall Effect
Getting Colder: Freezing Point Depression
Getting Hotter: Boiling Point Elevation by Nonvolatile Solutes
Salting Out: Making Liquids Immiscible
Volume Increase Upon Neutralization
Density and Miscibility of Liquids
Description: Four mutually immiscible liquids in a cylinder are shaken. They separate afterwards
Source: Shakhashiri, B.Z. Chemical Demonstrations: A Handbook for Teachers of Chemistry
Year: 1989 Vol: 3 Page: 229
Keywords: Miscibility of liquids, Density of liquids, Immiscible liquids, Intermolecular forces. Solvation
Rating: 
Hazard: Some
- A sealed container with chemicals, water, mineral oil, bis-(2-chlorethyl) ether, Perfluoro-1,3-dimethyl cyclohexane, and red dye 36
- Spill/breakage hazard
- Acute toxicity hazard
- Flammability hazard
- Inhalation hazard
Effectiveness: Good
- Results are clearly observable without guidance
- Good connection from demo to course material
- High reliability
- Time to results is low
Difficulty: Low
- Simple manipulations for most to perform
- Simple procedures
- Handle with care
Safety Precautions:
- Eye protection required
- Gloves recommended
- Absorbent material on hand
- ABC fire extinguisher on hand
Class: Intermolecular Forces, Liquids and Solids, Solubility
Division: General, Organic Chemistry, Physical Chemistry
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