Types of Chemical Reactions

AP Chemistry· difficulty 3/5

Balanced complete combustion of pentane (C₅H₁₂):

A
$C₅H₁₂ + 5 O₂ \to 5 CO + 6 H₂O$
B
$C₅H₁₂ + 12 O₂ \to 5 CO₂ + 12 H₂O$
C
$C₅H₁₂ + 8 O₂ \to 5 CO₂ + 6 H₂O$
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D
$C₅H₁₂ + O₂ \to 5 C + 6 H₂O$

Explanation

C: 5=5. H: 12=12. O: 5\times2 + 6\times1 = 16 = 8\times2. ✓

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