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 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
Boiling Acetone at Reduced Pressure
Description: A flask containing acetone is hooked to an aspirator or vacuum pump. As the pressure inside the flask is lowered, the acetone boils, and its temperature drops.
Source: Shakhashiri, B.Z. Chemical Demonstrations: A Handbook for Teachers of Chemistry
Year: 1983 Vol: 1 Page: 5
Keywords: Evaporation, Endothermic, Acetone, Boiling, Reduced pressure
Rating: 
Hazard: Medium
- Serious eye damage
- Implosion hazard
- Shock hazard
- Flammability hazard
- Acute toxicity hazard – dermal, oral
- Specific organ toxicity – central nervous system
Effectiveness: Average
- Results are observable with guidance
- Moderate failure rate
- Mild effects are seen by audience
- Good connection from demo to course material
- Time to results is medium
Difficulty: Medium
- Simple procedures
- Simple manipulations for most to perform
- Some intermediate steps to results
- Handling or use of toxic chemicals
Safety precautions:
- Gloves required
- Eye protection required
- Use of UL approved three-prong grounded plug and outlet
- ABC fire extinguisher on hand
- Absorbent material on hand
- Avoid open flame during performance
Class: Physical Properties, Phase Changes, Liquids and Solids
Division: General, Physical Chemistry
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