The Steaming Gun

Name: The Steaming Gun
Uploaded: 2012-11-21T15:51:05Z
Duration: 6 min 17 s
Description: In a dark bottle at room temperature, hydrogen peroxide decomposes very, very slowly. But add manganese dioxide, and that same reaction happens thousands of times faster, with very… tall results. Teaching Notes: Chemical Transformation I: Decomposition with H2O2 with MnO2 (PDF) Chemical Transformation II: Decomposition with H2O2 with KI (PDF) Chemistry Magician: Dr. John Dolhun

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In a dark bottle at room temperature, hydrogen peroxide decomposes very, very slowly. But add manganese dioxide, and that same reaction happens thousands of times faster, with very… tall results.

Teaching Notes:
Chemical Transformation I: Decomposition with H2O2 with MnO2 (PDF)
Chemical Transformation II: Decomposition with H2O2 with KI (PDF)

Chemistry Magician: Dr. John Dolhun