Problem: For each of the following gas-phase reactions, indicate how the rate of disappearance of each reactant is related to the rate of appearance of each product.2 N2O(g) → 2 N2(g) + O2(g)

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2 N2O(g) → 2 N2(g) + O2(g)



Recall that for a reaction aA  bB, the rate of a reaction is given by:


Rate=-1aΔ[A]Δt=1bΔ[B]Δt


where: 

Δ[A] = change in concentration of reactants or products (in mol/L or M), [A]final – [A]initial

Δt = change in time, tfinal – tinitial



Since N2O is a reactant, the rate with respect to N2O is negative (–) since we’re losing reactants

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Problem Details

For each of the following gas-phase reactions, indicate how the rate of disappearance of each reactant is related to the rate of appearance of each product.

N2O(g) → 2 N2(g) + O2(g)