Soap Emulsifies Hydrocarbons
Description: Kerosene and water are shaken together and separate rapidly. Adding liquid soap to the mixture produces a temporary emulsion when the flask is shaken again. The emulsion separates slowly.
Source: UW Card Catalog
Year: N/A Vol: N/A Page: N/A
Keywords: Detergent, Cleaning, Micelle, Oil
Rating:
Hazard: Some
- Toxicity hazard – oral
- Aspiration hazard
- Flammable liquids
- Skin irritation
- Long term aquatic hazard
- Specific organ toxicity – central nervous system
Effectiveness: Average
- Results are observable with guidance
- Mild effects are seen by audience
- Time to results is low
- Good reliability
Difficulty: Low
- Simple procedures
- Simple manipulations for most to perform
Safety Precautions:
- Gloves required
- Eye protection required
- ABC fire extinguisher on hand
- Avoid exposure to droplets, vapors, and liquids
- Prevent release of reagents to the environment
- Perform in a well-ventilated area
Class: Properties of Solutions, Intermolecular Forces, Physical Chemistry
Division: General, Organic Chemistry
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