The first-order rate constant for the decomposition ofN2O5, 2 N2O5(g)----->4 NO2(g) + O2(g), at 70 °C i s6.82 x10-3 s-1. Suppose we start with 0.0250 mol ofN2O5(g) in a volume of 2.0 L. (a) How many moles ofN2O5 will remain after 5.0 min? (b) How many minuteswill it take for the quantity of N2O5 to drop to 0.010 mol?(c) What is the half-life of N2O5 at 70 °C ?

(a) The initial concentration of N2O5 is calculated as shown below.

Answered: The first-order rate constant for the…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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The first-order rate constant for the decomposition of
N₂O₅, 2 N2O5(g)----->4 NO₂(g) + O₂(g), at 70 °C i s
6.82 x10^-3 s^-1. Suppose we start with 0.0250 mol of
N₂O₅(g) in a volume of 2.0 L. (a) How many moles of
N₂O₅ will remain after 5.0 min? (b) How many minutes
will it take for the quantity of N₂O₅ to drop to 0.010 mol?
(c) What is the half-life of N₂O₅ at 70 °C ?

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