Chemistry

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I've tried to answer some
-The reaction mechanism for a reaction is as follows…
Step 1 O3 (g) + NO2 (g)→ NO3 (g) + O2 (g) slow
Step 2 NO3 (g) + NO2 (g) → N2O5 (g) fast
a. Write the overall reaction equation.
b. Identify the molecularity of each step.
They are both bimolecular.
c. Identify all that apply: reactants, products, catalysts, [reaction intermediates]
Reactants: O3 (g), NO2 (g), NO3 (g), NO2 (g)
Products: NO3 (g), O2 (g), NO2 (g), N2O5 (g)
Catalysts:
Intermediate: NO3 (g)
d. What is the rate law expression for this mechanism?
Rate= k[O3][NO2]
e. What is the rate with respect to each one of the species int he overall reaction.

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