Boltzmann; Digital Simulation of Kinetic Molecular Theory
Flow of Gases Through a Porous Cup
Rate of Diffusion; The Ammonia Chloride Ring
Digital Molecular Theory Simulator
Explosive Reaction of Hydrogen and Oxygen
Kinetics of Oxidation of Iodide Ion by Peroxide
Catalytic Decomposition of Hydrogen Peroxide
Potentiometry With the Belousov-Zhabotinsky Reaction
Potentiometry with the Briggs-Rauscher Reaction
Studying Enzyme Kinetics Using Catalase
Transport of Carbon Dioxide Through Soap Film
Boiling Acetone at Reduced Pressure
Traveling Waves of Color
Description: This oscillating system produces different colors that move throughout the solution. This is often done on an overhead projector.
This demonstration is also available on JCE “Chem Demos” Laser disc.
This demonstration is available on JCE “Chemistry Comes Alive!” CD-ROM, Vol. 7
Source: Shakhashiri, B.Z. Chemical Demonstrations: A Handbook for Teachers of Chemistry
Year: N/A Vol: N/A Page: N/A
Keywords: BZ Reaction, Oscillator, Translational wave, Ferroin,
Ratings:
Hazard: Medium
- Acute toxicity hazard – oral
- Aquatic toxicity hazard
- Inhalation hazard
- Oxidizer
- Carcinogenicity
- Eye irritation
- Skin corrosion hazard
- Electric shock hazard
Effectiveness: Average
- Somewhat connected conceptually to course material
- Mild effects are seen by audience
- Time to results is high
- Moderate failure rate
Difficulty: High
- Use of sensitive reagents
- Multi-step procedures with varying results
- Volume-dependent addition
- Demo requires training or practice to perform correctly
- Use freshly prepared reagents
- Demos in which a display is used
Safety Precautions:
- Eye protection required
- Gloves required
- Use of UL approved three-prong plug and outlet
- Avoid inhalation of vapors
- Absorbent materials on hand
- Perform in a well-ventilated area
Class: Kinetics
Division: General, Physical Chemistry
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