Halting the Briggs-Rauscher Oscillating Reaction

CCA! Volume 5

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Halting the Briggs-Rauscher Oscillating Reaction

The Briggs-Rauscher reaction is demonstrated in three different ways. Catalase from a liver extract decomposes the hydrogen peroxide in an Briggs-Rauscher reaction, stopping the oscillations.

Briggs-Rauscher With Stirring

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3.3 MB
45 seconds

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9 Slides

The Briggs-Rauscher reaction is demonstrated with stirring.

Briggs-Rauscher Without Stirring

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2.6 MB
34 seconds

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12 Slides

The mixture is not stirred and color oscillations are not uniform throughout the solution.

Briggs-Rauscher Monitored with Electrodes

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3.5 MB
46 seconds

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15 Slides

Changes in electrochemical potential are demonstrated.

Halting the Briggs-Rauscher Reaction

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2 MB
31 seconds

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5 Slides

Catalase from a liver extract decomposes the hydrogen peroxide in an Briggs-Rauscher reaction, stopping the oscillations.

Copyright © 2001 Division of Chemical Education, Inc., American Chemical Society. All rights reserved.