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leolove leolove
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11 years ago
Write a balanced chemical equation for the combustion of 3-ethylpentane using the smallest possible whole number coefficients. The coefficient in front of O2 is:

Choose one answer.
 A. 11
 B. 15
 C. 13
 D. 19

Help please and why?
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buggy45buggy45
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11 years ago
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wrote...
11 years ago
C7H16 + 11 O2  ---> 7 CO2 + 8 H2O

so the right answer is A.
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