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9 January, 06:47

Methane combines with oxygen in the air to make carbon dioxide and water vapor.

Which of the chemical equations matches the reaction above?

A.

CH4 + 2O2 CO2 + 2H2O

B.

C2H4 + 2O2 2CO + 2H2O

C.

CH4 + 2CO2 2CO2 + 2H2O

D.

CH4 + 2O 2CO + 2H2O

+4
Answers (1)
  1. 9 January, 06:58
    0
    The answer is A because it cannot be B because that is ethylene and not D because it needs a subscript of 2 since it is a diatomic and it is no C because it is not carbon dioxide its oxygen
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