Consider the following mechanism for the formation...

Question

Consider the following mechanism for the formation of dinitrogen pentoxide:
NO₂(g) + O₃(g) → NO₃(g) + O₂(g)
NO₃(g) + NO₂(g) → N₂O₅(g)

Write the chemical equation of the overall reaction:

Are there any intermediates in this mechanism?
a. yes
b. no

If there are intermediates, write down their chemical formulas. Put a comma between each chemical formula, if there’s more than one

Jules Bruno · Accepted Answer

We're given the following mechanism for the formation of dinitrogen pentoxide:NO2(g) + O3(g) → NO3(g) + O2(g)NO3(g) + NO2(g) → N2O5(g)For the first part, we're being asked to write the overall reaction:Recall that a reaction mechanism is a sequence of single steps that add up to the chemical reaction. [redmore]We're going to add up the reactions and cancel out species that appear on both the reactant and the product side.   NO2(g) + O3(g) → NO3(g) + O2(g)NO3(g) + NO2(g) → N2O5(g)_______________________________2 NO2(g) + O3(g) → N2O5(g) + O2(g)The overall reaction is: 2 NO2(g) + O3(g) → N2O5(g) + O2(g).In a reaction mechanism, the intermediate appears as a product in one step and as a product in the next step.NO2(g) + O3(g) → NO3(g) + O2(g)NO3(g) + NO2(g) → N2O5(g)Yes, there is an intermediate in this mechanism.The intermediate is NO3(g).

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