Boltzmann: Digital Simulation of Kinetic Molecular Theory
Flow of Gases Through a Porous Cup
Rate of Diffusion: The Ammonium Chloride Ring
Digital Molecular Theory Simulation
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
Studying Enzyme Kinetics Using Catalase Extract
Description: Catalase activities are measured by timing the rise of enzyme-soaked piece of filter paper to the top of beakers containing different concentration of hydrogen peroxide. The data is plotted on a Lineweaver-Burk double reciprocal plot.
Source: Kristen Johnson
Year: 2000 Vol: N/A Page: N/A
Keywords: Catalase, Hydrogen Peroxide, Lineweaver-Burk, Concentration, Kinetics
Rating: 
Hazard: Some
- Use of mildly reactive chemicals
- Oxidizer
- Mild toxicity hazard
- Aquatic toxicity hazard
- Skin corrosion hazard
- Eye damage hazard
Effectiveness: Average
- Results are observable with guidance
- Mild effects are seen by audience
- Good connection to course material
- Time to results is high
Difficulty: Medium
- Some concerted or timed manipulations
- Use of mildly reactive substances
- Use of scientific equipment
- Experiments in which a display is used
- Procedures with multiple steps to results
Safety Precautions:
- Eye protection required
- Gloves required
- Absorbent material on hand
- Sodium bicarbonate on hand
- Prevent release of reagents to the environment
Class: Biochemistry, Kinetics
Division: General, Physical Chemistry
Return to Physical Chemistry Demonstrations