Bromination of Saturated and Unsaturated Hydrocarbons
Dehydration of Sugar by Sulfuric Acid
Organic Synthesis With Familiar Materials
Oxidation of Primary, Secondary, Tertiary Alcohols
Underwater Fireworks: Chlorination of Acetylene
Differences in Miscibility of Organic Alcohols With Increasing Chain Lengths
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
IR Demonstration – Atomic Coupling
IR Demonstration II – Molecular Vibrations
IR Demonstration III – Molecular Vibrations
Making a Rubber Ball from Latex
Reaction Intermediates in Organic Chemistry
Reducing Sugars and Fehling’s Solution
Rod Climbing by a Polymer Solution
Superabsorbent Polyacrylate Gel
Aniline Hydrochloride – Formaldehyde Polymer
Relative Reactivity of Reducing Agents
Electrophilic Aromatic Substitution Reaction/EAS Reaction
Reactivity of Alkanes vs Aromatic Compounds
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
Hydrolysis of T-Butyl Chloride: A Lecture and Lab Experiment
Distinguishing Between HD and LD Polyethylene
Description: Samples of high density and low density polyethylene are placed in a 50/50 water/alcohol mixture. The low density polyethylene floats while the high density polyethylene sinks.
Source: Journal of Chemical Education – Vol. 63
Year: 1986 Vol: 63 Page: 417
Keywords: Density, Plastics, Polymers
Rating:
Hazard: Medium
- Acute toxicity hazard – oral, dermal, inhalation
- Flammability hazard
- Specific organ toxicity – single exposure – eyes
Effectiveness: Average
- Results are observable without guidance
- Contrast between systems is noticeable
- Time to results is low
- Mild effects are seen by audience
- Excellent reliability
Difficulty: Low
- Demos do not involve deep attention
- Procedures are simple
- Simple manipulations for most to perform
Safety Precautions:
- Eye protection required
- Gloves required
- ABC fire extinguisher on hand
- Absorbent materials on hand
Class: Organic Chemistry, Polymers
Division: General, Organic Chemistry
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