In the chemical reaction C H O CO H O 8 18 2 2 2 + → + the coefficient of CO2
in the balanced equation is.
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Answer:
We begin by balancing the
C
and the
H
atoms first,
C
8
H
18
+
O
2
→
8
C
O
2
+
9
H
2
O
Now, counting the number of
O
atoms on either side;
reactant side
→
2
product side
→
25
So,
C
8
H
18
+
25
2
O
2
→
8
C
O
2
+
9
H
2
O
⇒
2
C
8
H
18
+
25
O
2
→
16
C
O
2
+
18
H
2
O
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