Eduard-Job-Foundation for Thermo- and Matterdynamics

Carbide Lamp

Experiment: Carbide Lamp

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.

Video (mpg4, 0:58)