Thread: Boom!
View Single Post
  #25  
Old 12-06-2009, 07:18 PM
AstralTraveller's Avatar
AstralTraveller (David)
Registered User

AstralTraveller is offline
 
Join Date: Mar 2008
Location: Wollongong
Posts: 3,822
Quote:
Originally Posted by marki View Post
Yep there's lots of different oxidising agents besides oxygen itself. One of the demo's I do with my chem students to illustrate this is to bubble chlorine gas through a large measuring cylinder full of water. If you drop calcium carbide in to the water it reacts to form acetylene gas which then reacts with the chlorine gas and burns. It's pretty cool as the gases ignite under water and looks a bit like fireworks. Best of all it allows the students to see fire in an enviroment they would not have thought possible.

Mark
Are you a high school teacher? That sounds a pretty full-on demo for high school. I didn't know anything so 'interesting' was allowed. You must need a fume hood at least.
Reply With Quote