Write and balance the equation for the complete combustion of the hydrocarbon C

Question

C₈H₁₄.

Balanced equation:________

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Use R and P method table

Answer 1

C₈H₁₄ + O₂ ==> CO₂ + H₂O UNBALANCED

First, balance the carbons: C₈H₁₄ + O₂ ==> 8CO₂ + H₂O

Next, balance the hydrogens: C₈H₁₄ + O₂ ==> 8CO₂ + 7H₂O

Finally, balance the oxygens: C₈H₁₄ + 11.5O₂ ==> 8CO₂ + 7H₂O

Since we don't like to use fractions, we can multiply everything by TWO to obtain the final equation:

2C₈H₁₄ + 23 O₂ ==> 16CO₂ + 14H₂O