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  • The experimental data for decomposition of N_2 O_5 [2N_2 O_5 gives 4NO_2 + O_2] (question no. 5 )

The experimental data for decomposition of \mathrm{N}_2 \mathrm{O}_5\left[2 \mathrm{~N}_2 \mathrm{O}_5 \rightarrow 4 \mathrm{NO}_2+\mathrm{O}_2\right] in gas phase at 318K are given below:

                

 Calculate the rate constant.
                

Answers (1)

best_answer

From the log graph,

the slope of the graph is = \frac{-2.46-1.79}{3200}
                                          = -k/2.303                             ..(from log equation)       

On comparing both equations we get,

\begin{gathered}-k / 2.303=-0.67 / 3200 \\ k=3200 \times(0.67 / 3200) \\ k=4.82 \times 10^{-4} \mathrm{~s}^{-1}\end{gathered}
   

Posted by

manish

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