3 years ago

When the equation C2H4+O2—>CO2+H2O is balanced using smallest whole numbers, what is the coefficient of the O2?

Chemistry

1 answer:

tamaranim1 [39]3 years ago

7 0

Answer:

The answer to your question is letter C. 3

Explanation:

Unbalanced chemical reaction

C₂H₄ + O₂ ⇒ CO₂ + H₂O

Reactants Elements Products

2 C 1

4 H 2

2 O 3

Balanced chemical reaction

C₂H₄ + 3O₂ ⇒ 2CO₂ + 2H₂O

Reactants Elements Products

2 C 2

4 H 4

2 O 6

The coefficient of Oxygen is three.

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