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ilikepie1234 ilikepie1234
wrote...
12 years ago
Explain how a correctly written equation shows atoms are not lost in a reaction and this is not for school or class this is a question my friend has been asking me with so people shove off with the class jokes.
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_biology Author
wrote...
#1
12 years ago
Since a correctly written eq
has equal no. of atoms of
each kind on same side
it shows that as much u put
into a reaction equal no. u get out
wrote...
#2
12 years ago
number of atoms (of each element) on one side equals the other side.
wrote...
#3
12 years ago
Just look at a simple balanced equation such as

Fe + S ---> FeS

There are only Fe and S atoms in it, so no elements are gained or lost.
Also, only one atom of each is involved, and no atoms are gained or lost.
wrote...
#4
12 years ago
Ex:  2H2 + O2---> 2H2O

This is called a balanced chemical reaction.  The 'balance' comes from the fact that there are the same # of atoms of each kind on both sides; that is, all of the reactants are accounted for in the product of the reaction.
In this example, 2 molecules of hydrogen (4 atoms total) combine with 1 molecule of oxygen (2 atoms total).  The 2 preceeding the product means everything is multiplied by 2, so again I have 4 H atoms and 2 O atoms.
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