Question 447 of 513

Balance: CH4 + O2 → CO2 + H2O

  • CH4 + O2 → CO2 + 2H2O
  • CH4 + 2O2 → CO2 + 2H2O
  • 2CH4 + O2 → 2CO2 + H2O
  • CH4 + O2 → C + 2H2O

Correct Answer: B

Explanation
Balance C first, then H, then O. Correct equation: CH4 + 2O2 → CO2 + 2H2O.
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