We are being asked to determine the average of the reaction for the reaction:
NO2(g) → NO(g) + 1/2O2(g)
Recall that for a reaction aA → bB, the rate of a reaction is given by:
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 NO2 is a reactant, the rate with respect to NO2 is negative (–) since we’re losing reactants.
Consider the following reaction: NO2(g) → NO(g) + 1/2O2(g) The following data were collected for the concentration of NO2 as a function of time:
A. What is the average rate of the reaction between 10 and 20 s?
B. What is the average rate of the reaction between 50 and 60 s?
C. What is the rate of formation of O2 between 50 and 60 s?
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