Balloon Races- Ionization of Hydrochloric Acid and Acetic Acid
Coin-operated Red, White, and Blue Fountain: Reaction of Nitric Acid and Copper
Conductivity and Extent of Dissociation of Acids and Bases
Fizzing Races: Ionization of HCl and Acetic Acid
Acid-Base Indicators Extracted from Plants
Acidic and Basic Properties of Oxides
Acidic and Basic Properties of Salts
Acidity of Aluminum Chloride in Solution
Amphoteric Properties of Aluminum Hydroxide
Classical Properties of Acids and Bases
Food is Acidic: Cleaners are Basic
Conductivity and Extent of Dissociation of Acids and Bases
Description: Conductivity of strong and weak acids and bases are compared.
Source: Shakhashiri, B.Z. Chemical Demonstrations: A Handbook for Teachers of Chemistry
Year: 1989 Vol: 3 Page: 140
Keywords: Conductivity, Weak acids, Strong bases, Dissociation
Rating: 
Hazard: Medium
- Acute toxicity hazard
- Electrocution hazard
- Flammability hazard
- Corrosive to metals
- Skin corrosion hazard
- Inhalation hazard
- Acute aquatic toxicity hazard
Effectiveness: Good
- Clear contrast between system behavior
- Good connection from demo to course material
- Time to results is low
- High reliability
- Mild effects are seen by audience
- Primary effects
Difficulty: High
- Some sequential or timed manipulations
- Simple procedures
- Demos at non-standard conditions
- Prior practice recommended
- Cross contamination possible
- Use of live current
Safety Precautions:
- Eye protection required
- Gloves required
- Use of UL approved three-prong plug and outlet required
- Absorbent material on hand
- Electrically insulated spatula
- Perform in a well-ventilated area
- Avoid contact with conductivity probes
- Prevent release of reagents to the environment
Class: Acids and Bases, Equilibrium, Solubility, Conductivity, Properties of Solutions
Division: General, Analytical
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