Boltzmann: Digital Simulation of Kinetic Molecular Theory
Flow of Gases Through a Porous Cup
Rate of Diffusion: The Ammonium 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
Diffusion of a Liquid
Description: Colored solutes, either liquid or solids, are placed in the bottom of a container, and a solvent is poured over them. Over a period of time, the color of the solute rises in the solvent.
Source: Shakahashiri, B.Z. Chemical Demonstrations: A Handbook for Teachers of Chemistry
Year: 1989 Vol: 3 Page: 317
Keywords: Diffusion, Liquids, Copper (II) Sulfate, Iodine
Rating: 
Hazard: Some
- Inhalation hazard
- Acute toxicity hazard
- Aquatic toxicity hazard
- Specific organ toxicity- thyroid
Effectiveness: Average
- Mild effects are seen by audience
- Time to results is high
- Good connection from demo to course material
- Contrast between systems is noticeable
- Low failure rate
Difficulty: Low
- Demo does not involvement deep attention
- Manipulations are simple for most to perform
- Simple procedures
Safety Precautions:
- Eye protection required
- Gloves required
- Absorbent material on hand
- Avoid exposure to mists or vapors
- Prevent release of reagents to the environment
Class: Entropy, Thermodynamics, Properties of Solutions
Division: General, Physical Chemistry
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