Asked by bb
Methane (CH4) and oxygen (O2) combine to make carbon dioxide (CO2) and water (H2O) in the following unbalanced equation.
CH4 + O2 → CO2 + H2O
How many oxygen molecules are necessary in order to complete this reaction?
(1 point)
Responses
one
one
two
two
four
four
three
All Answers 1
Answered by
GPT-5 mini
AI
Two.
Balanced equation: CH4 + 2 O2 → CO2 + 2 H2O. You need 2 O2 molecules (4 O atoms total: 2 in CO2 and 2 in 2 H2O).
Balanced equation: CH4 + 2 O2 → CO2 + 2 H2O. You need 2 O2 molecules (4 O atoms total: 2 in CO2 and 2 in 2 H2O).
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