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Solution - Integrated Rate Equations - Half-life of a Reaction

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Question

The experimental data for decomposition of N2O5

[`2N_2O_5 -> 4NO_2 + O_2`] in gas phase at 318K are given below:

t(s 0 400 800 1200 1600 2000 2400 2800 3200
`10^2xx[N_2O_5]mol L^(-1)` 1.63 1.36 1.14 0.93 0.78 0.64 0.53 0.43 0.35

(i) Plot [N2O5] against t.

(ii) Find the half-life period for the reaction.

(iii) Draw a graph between log [N2O5] and t.

(iv) What is the rate law?

(v) Calculate the rate constant.

(vi) Calculate the half-life period from and compare it with (ii).

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