2012年4月27日 星期五

The Effect of Surface Area on Reaction Rate 

The video is a demonstration on how rate of reaction is being affected by surface area, produced by Royal Society of Chemistry and is interesting. Traditionally in laboratory marble is used, but in this demonstration some milk powder is used. Click to view the video.

2012年4月26日 星期四

Stimulation of equilibrium

To investigate the chemical equilibrium of H2 + I2 <=> 2HI http://chung.sk.tripod.com/11/simulate_eqm.swf