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Teachers TV
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Hydrogen - Exploding Eggs
From the Teachers TV series Demonstrating Chemistry, this demonstration shows how a mixture of hydrogen and air becomes explosive. Professor Hal Sosabowski evacuates an egg by drilling two holes and using an airline to blow the egg out. He flushes out all the air from the egg before filling it with hydrogen. With the egg sitting in a springy eggcup he lights the hydrogen at the top of the egg. As the hydrogen rises, air is pulled in and the gas mixture becomes explosive.
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