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1Equations
Reactants
Products
Reactants Final
Products Final
Balanced Equation
2
H
+ O
>
2
H
O
H
+ O
> H
O
2 hydrogen
2 hydrogen
4 hydrogen
same as final
2
2
2
2
2
2
2 oxygen
1 oxygen
2 oxygen
reactants
H
O
> H
0 + O
2 hydrogen
2 hydrogen
4 hydrogen
s ame as final
2
H
O
>
2
H
0 + O
2
2
2
2
2
2
2
2
2 oxygen
3 oxygen
4 oxygen
reactants
4
N a + O
>
2
N a
O
Na + O
> Na
O
1 sodium
2 sodium
4 sodium
s ame as final
2
2
2
2
2 oxygen
1 oxygen
2 oxygen
reactants
N
+
3
H
>
2
N H
N
+ H
> NH
2 nitrogen
1 nitrogen
2 nitrogen
s ame as final
2
2
3
2
2
3
2 hydrogen
3 hydrogen
6 hydrogen
reactants
P
+
5
O
> P
O
P
+ O
> P
O
4 phosphorus
4 phosphorus
4 phosphorus
s ame as final
4
2
4
10
4
2
4
10
2 oxygen
10 oxygen
10 oxygen
reactants
3
F e +
4
H
O > Fe
O
+
4
H
Fe + H
O > Fe
O
+ H
1 iron
3 iron
3 iron
s ame as final
2
3
4
2
2
3
4
2
2 hydrogen
2 hydrogen
8 hydrogen
reactants
1 oxygen
4 oxygen
4 oxygen
C + H
> CH
1 carbon
1 carbon
1 carbon
s ame as final
C +
2
H
> CH
2
4
2
4
2 hydrogen
4 hydrogen
4 hydrogen
reactants
Na
SO
+ CaCl
>
Na
SO
+ CaCl
>
2 sodium
1 sodium
2 sodium
s ame as final
2
4
2
2
4
2
CaSO
+ NaCl
1 sulfur
1 sulfur
1 sulfur
reactants
CaSO
+
2
N aCl
4
4
4 oxygen
4 oxygen
4 oxygen
1 calcium
1 calcium
1 calcium
2 chlorine
1 chlorine
2 chlorine
C
H
+ O
> CO
+ H
O
2 carbon
1 carbon
4 carbon
s ame as final
2
C
H
+
7
O
>
4
C O
+
6
H
O
2
6
2
2
2
2
6
2
2
2
6 hydrogen
2 hydrogen
12 hydrogen
reactants
2 oxygen
3 oxygen
14 oxygen
2
A l
O
>
4
A l +
3
O
Al
O
> Al + O
2 aluminum
1 aluminum
4 aluminum
s ame as final
2
3
2
2
3
2
3 oxygen
2 oxygen
6 oxygen
reactants
Balancing Chemical Equations Answer Key by Liz LaRosa
w ww.middleschoolscience.com
20002015
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