Organic Chemistry- Soap Emulsifies Hydrocarbons

 Bromination of Saturated and Unsaturated Hydrocarbons

Blue Bottle

Dehydration of Sugar by Sulfuric Acid

Disappearing Coffee Cup

Formation of a Silver Mirror

Models 360

Nylon 6 – 10

Organic Synthesis With Familiar Materials

Oxidation of Primary, Secondary. Tertiary Alcohols

Oxidation of Luminol

Polyurethane Foam

Slime

Underwater Fireworks: Chlorination  of Acetylene

Carbide Lamp

Differences in Miscibility of Organic Alcohols Increasing Chain Length

Combustion of Cellulose Nitrate (Guncotton)

Different Smells of Carvone Isomers

Distinguishing Between HD and LD Polyethylene

Enviro-bond: Cleaning Oil Spills

Esterification Using a Dean-Stark Trap

Ethanol Cannon

Happy/Sad Balls

IR Demonstrations I – Atomic Coupling

IR Demonstrations II – Molecular Vibrations

IR Demonstration III – Molecular Vibrations

Making a Rubber Ball from Latex

Plastic Samples

Reaction Intermediates in Organic Chemistry

Reducing Sugars and Fehling’s Solution

Rod Climbing by a Polymer Solution

Rotating Rainbows

Silly Putty

Soap Emulsifies Hydrocarbons

Superabsorbent Polyacrylate Gel

Tubeless Siphon

Alkimers

Aniline Hydrochloride-Formaldehyde Polymer

Phenol-Formaldehyde Polymer

Saponification

Relative Reactivity of Reducing Agents

Electrophilic Aromatic Substitution Reaction/EAS Reaction

Reactivity of Alkanes vs Aromatic Compounds

Inductive Effect

Optical Activity of Racemic Mixtures With Limonene

Relationship of Absorbed Light to Observed Color

Density and Miscibility of Liquids

Extraction of Copper Ions from Solution with Orform®

Gel Formation with Sodium Alginate and Calcium Chloride

Ozonolysis

Hydrolysis of T-Butyl Chloride: A Lecture and Lab Experiment

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

The demonstration Soap Emulsifies Hydrocarbons may be found under Properties of Solutions- Soap Emulsifies Hydrocarbons.