Activation Energy

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The red phosphorus on the end of matches need activation energy to react with the oxygen in the air. The heat energy from the hot plate provide enough energy to activate the chemical reaction.
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Комментарии
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Great way to demonstrate activation energy. Sweet and simple

JehuMcSpooran
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Nice video! I think the most interesting part is why the large matches take longer to ignite. It makes you wonder what would happen if a match stick were made of Al instead of wood. Could it be lit?

sturgeon
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@hkparker You are probably right. I was just going by what I thought it was. I probably should have looked it up first. Thanks Hayden :)

sciencefix
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Are you sure that it is red phosphorus at the end of those matches? I know it used to be used, and I could be totally wrong, but ive read from a few sources that it is potassium chlorate/red dye at the end of the matches and glass/red phosphorus on the strike pad.

hkparker
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@sciencefix no problem :). As always, great explanation!

hkparker