Determine the initial rate in mole/L-min if the rate constant for a certain first-order reaction is 0.40/min and the initial concentration of the compound involved is 0.50 mol/L? 0.25 mole/L·min 0.50 mole/L-min 0.20 mole/Lmin 0.40 mole/L min Question 5 of 2 A Moving to the next question prevents changes to this answer. 58°F Sunny End Fn 近

Determine the initial rate in mole/L-min if the rate constant for a certain first-order reaction is 0.40/min and the initial concentration of the compound involved is 0.50 mol/L? 0.25 mole/L·min 0.50 mole/L-min 0.20 mole/Lmin 0.40 mole/L min Question 5 of 2 A Moving to the next question prevents changes to this answer. 58°F Sunny End Fn 近

Chemistry & Chemical Reactivity

10th Edition

ISBN:9781337399074

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter14: Chemical Kinetics: The Rates Of Chemical Reactions

Section: Chapter Questions

Problem 16PS: The decomposition of N2O5 in CCl4 is a first-order reaction. If 2.56 mg of N2O5 is present initially...

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Gaseous azomethane, CH3N=NCH3, decomposes in a first-order reaction when heated: CH3N=NCH3(g) N2(g) + C2H6(g) The rate constant for this reaction at 600 K is 0.0216 min1. If the initial quantity of azomethane in the flask is 2.00 g, how much remains after 0.0500 hour? What mass of N2 is formed in this time?
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A study of the rate of the reaction represented as 2AB gave the following data: Time (s) 0.0 5.0 10.0 15.0 20.0 25.0 35.0 [A](M) 1.00 0.775 0.625 0.465 0.350 0.205 0.230 (a) Determine the average rate of disappearance of A between 0.0 s and 10.0 s, and between 10.0 s and 20.0 s. (b) Estimate the instantaneous rate of disappearance of A at 15.0 s from a graph of time versus [A]. What are theunits of this rate? (c) Use the rates found in parts (a) and (b) to determine the average rate of formation of B between 0.00 s and 10.0 s, and the instantaneous rate of formation of B at 15.0 s.
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The compound Xe(CF3)2 decomposes in a first-order reaction to elemental Xe with a half-life of 30. minutes. If you place 7.50 mg of Xe(CF3)2 in a flask, how long must you wait until only 0.25 mg of Xe(CF3)2 remains?
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The decomposition of N2O5 in CCl4 is a first-order reaction. If 2.56 mg of N2O5 is present initially and 2.50 mg is present after 4.26 minutes at 55 C, what is the value of the rate constant, k?
Make a graph of [A] versus time for zero-, first-, and second-order reactions. From these graphs, compare successive half-lives.