Tuesday, December 6, 2011

The Exploding Pumpkin Demo

Here's my version of the Exploding Pumpkin Demo.


Thanks to my friends who inspired me to try this demo by posting a video of a another chemistry teacher doing this on my facebook page.  My version is a small scale, "cute", look at the reaction of calcium carbide and water.  The mixture produces acetylene gas, which is flammable.  The pumpkin gets filled with the acetylene gas, if you wait long enough, and makes a nice explosion.  This demo was a good way to say goodbye to Halloween

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