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Nuetrik [128]
3 years ago
10

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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