A suggested mechanism for the gas phase decomposition of nitrous oxide is: step

Question

A suggested mechanism for the gas phase decomposition of nitrous oxide is:

step 1 slow:   N2O --> N2 + O

step 2 fast:   N2O + O --> N2 + O2

(1) What is the equation for the overall reaction? Use the smallest integer coefficients possible.

(2) Which species acts as a catalyst? Enter formula.

(3) Which species acts as a reaction intermediate? Enter formula.

(4) Complete the rate law for the overall reaction that is consistent with this mechanism.

(Use the form k[A]m[B]n... , where '1' is understood (so don't write it) for m, n etc.)

Rate =

Explanation / Answer

Slowest step is rate determining step, hence d/dt[N2O] = K1[N2O]

2. O is acting as catalyat as well as internediate

3. rate , r = K1[N2O]

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