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balance equation


C8H18+O2       CO2+H2O        


Posted in Chemistry, asked by hani, 6 years ago. 1666 hits.


C8H18+O2 ------------> CO2+H2O  
In balance chemical equation we should equal the no. of atom both sides.
EXAMPLE : if we have 8 atom of carbon in reactant it must be equal in product Carbon on left = Carbon on right
Now we come on the equation we have to balanced

C8H18+O2 ------------> CO2+H2O 
put 8 with CO2 to balance carbon
C8H18+O2 ------------> 8CO2+H2O (Carbon balanced)
put 9 with H2O to balance Hydrogen
C8H18 + O2 ------------> 8CO2 + 9H2O  (Hydrogen balanced)
Now we solve it according to condition to balanced the oxygen we can change the values or no of atoms of above balanced carbon and
hydrogen. put 25 with oxygen for balanced it.
2C8H18 +25O2 ------------> 16CO2 + 18H2O
this is required balanced equation.
we should solve it step by step as above for practice.

Furqan Ali
Furqan Ali - 6 years ago
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