"the combustion of ethylene proceeds by the reaction c2h4(g) + 3o2(g) → 2co2(g) + 2h2o(g) when the rate of disappearance of o2 is 0.23 m s-1, the rate of disappearance of c2h4 is m s-1."

The rate of  disappearance of is 0.0766 M/s.

Explanation:

Rate of the reaction = R

[te]R=\frac{1}{2}\frac{d[CO_2]}{dt}=\frac{1}{2}\frac{d[H_2O]}{dt}[/tex]

Rate of disappearance of =0.23 M/s

Rate of disappearance of

R =0.07666 M/s

Rate of disappearance of

The rate of  disappearance of is 0.0766 M/s.

petroleum? coal maybe?

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