Question

2. The decomposition reaction of N$_2$O$_5$ as shown below: 2N$_2$O$_5$ $\rightarrow$ 4NO$_2$ + O$_2$ Given that $\frac{d[O_2]}{dt}$ = k[N$_2$O$_5$]. At 45$^\circ$C, the rate constant k has a value of 1.5 x 10$^{-4}$ s$^{-1}$. (a) Determine the half-life of N$_2$O$_5$ at 45 $^\circ$C. (b) Given the initial N$_2$O$_5$ concentration is 2.50 mol L$^{-1}$, determine the percentage of N$_2$O$_5$ decomposed after 50 min.

          2. The decomposition reaction of N$_2$O$_5$ as shown below:

2N$_2$O$_5$ $\rightarrow$ 4NO$_2$ + O$_2$

Given that $\frac{d[O_2]}{dt}$ = k[N$_2$O$_5$]. At 45$^\circ$C, the rate constant k has a value of 1.5 x 10$^{-4}$ s$^{-1}$.
(a) Determine the half-life of N$_2$O$_5$ at 45 $^\circ$C.
(b) Given the initial N$_2$O$_5$ concentration is 2.50 mol L$^{-1}$, determine the percentage of N$_2$O$_5$ decomposed after 50 min.

2. The decomposition reaction of N2O5 as shown below:

2N2O5 → 4NO2 + O2

Given that (d[O2])/(dt) = k[N2O5]. At 45^∘C, the rate constant k has a value of 1.5 x 10^-4 s^-1.
(a) Determine the half-life of N2O5 at 45 ^∘C.
(b) Given the initial N2O5 concentration is 2.50 mol L^-1, determine the percentage of N2O5 decomposed after 50 min.

Added by Bego-A H.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Will Li

06/08/2020

Step 1

Step 1: The decomposition of N$_2$O$_5$ is a first-order reaction. Show more…

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2. The decomposition reaction of N$_2$O$_5$ as shown below: 2N$_2$O$_5$ $\longrightarrow$ 4NO$_2$ + O$_2$ Given that $\frac{d[O_2]}{dt}$ = k[N$_2$O$_5$]. At 45°C, the rate constant k has a value of 1.5 x 10$^{-4}$ s$^{-1}$. (a) Determine the half-life of N$_2$O$_5$ at 45 °C. (b) Given the initial N$_2$O$_5$ concentration is 2.50 mol L$^{-1}$, determine the percentage of N$_2$O$_5$ decomposed after 50 min.