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Can someone please explain how you do aqueous reactions?

Submitted by anonymous123 on Fri, 04/12/2013 - 07:39

I am very confused on how you do aqueous reactions. I kind of understand double displacement but I dont really understand single displacement and combustion reactions. Please help! :)


the combsution reaction is when complete burning of a compound in presence of oxygen produces carbon dioxide and water , like 

CxHy + O2 --> CO2 + H2O

 

single displacement reaction looks like this

A + BC --> AC + B

but there is a rule that is always followedin single displacement reaction that is :  A metal replaces a metal, or a nonmetal replaces a nonmetal.an example;

 Cu + 2 AgNO3   Cu(NO3)2 + 2 Ag

here  Cu displaces Ag in Ag(NO3)