What Is the Coefficient for O₂ When the Following Combustion $\rarr$

question 93

Multiple Choice

What is the coefficient for O₂ when the following combustion reaction of a hydrocarbon is balanced
___ C₇H₁₄ + ___ O₂ $\rarr$ ___ CO₂ + ___ H₂O

• A) 42
• B) 21
• C) 11
• D) 10
• E) none of these

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