Chemical Genie in the Bottle

Chemical Genie in the Bottle

Credit: UW-Madison Department of Chemistry
 
Author: Claire Liu
Description:

When a stopper is removed from an opaque bottle, an increasingly vigorous cloud of white vapor emanates from the bottle. This action results from the catalytic decomposition of 30% hydrogen peroxide by manganese dioxide.

Original Demonstration
Usage:
No Description available
 
 
Safety:
No Description available
 
Equipment:

an opaque bottle
 
Materials:

30% hydrogen peroxide and manganese dioxide.
 
Procedure:

put the two material together.
 
Notes:

2 H2O2 (aq) O2 (g) + 2 H2O(l)
 
Disposal:
No Description available
 
Difficulty:Not specified
Preparation Time:  minutes Demonstration Time: 1 minutes
Availability of Materials:Not specified Cost of materials:$ 
Last Updated:Tue 21 Jun 2011 12:50:27 EDT Viewed:67088 times viewed
Source:1991, Fun With Chemistry; A Guidebook of K-12 Activities. vol 1