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Carbide Lamp

Carbide-lamp.jpg

Procedure:
Water is dripped cautiously onto some lumps of calcium carbide.

Observation:
The produced gaseous ethyne burns with a bright and sooty flame.

Explanation:
Calcium carbide reacts with water under formation of ethyne (acetylene) according to

formel2.gif

This means that also substances with positive μ can be produced.

Bild-Karbidlampe.jpg
Detailed description (pdf)
Video (MPEG 1,9 MB)

 

 

 

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