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14-03-2017
Chemistry

Answered

How is the rate of appearance of h2o related to the rate of disappearance of o2?

Verified Answer :

26-03-2017

If we consider a combustion reaction of Methane:

The balanced equation is:

CH4 + 2O2 ---> 2H2O + CO2

The rate of appearance of H2O is rH2O, rate of disappearance of O2 is -rO2

(rH2O)^2 = (-rO2)^2
rH2O = -rO2

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