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- Description:Oscillating Reactions - The Traffic Light
- Cat. No.:470219-088
- Supplier no.:IS7024
- No. of uses:5
Are chemical reactions reversible?
- Redox reaction illustrates chemical equilibrium
- Easy way for students to see chemical reactions taking place
- Cost and Time Efficient
- Meets National Science Education Standards for grades 5-12
- Time Requirement: 30 minutes
Oscillating reactions demonstrate chemical equilibrium. A reversible color change is imparted on the chromosphore indigo carmine. Energy (swirling or shaking) is used to drive the reaction. The prepared solution may be used for up to an hour, at which time, a fresh solution should be prepared.