Post date: Dec 01, 2009 11:41:28 PM
http://www.fordhamprep.org/gcurran/sho/sho/lessons/lesson82.htm (Types of Chemical Reactions)
http://www.fordhamprep.org/gcurran/sho/sho/lessons/lesson81.htm (Balancing Equations)
http://misterguch.brinkster.net/eqnbalance.html (Balancing Equations)