1. Show mathematically that for a first order reaction, it takes approximately ten times as long to consume 99.9% of the reactant as it does to consume 50% of the reactant.
1. Show mathematically that for a first order reaction, it takes approximately ten times as long to consume 99.9% of the reactant as it does to consume 50% of the reactant.
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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Transcribed Image Text:1. Show mathematically that for a first order reaction, it takes approximately ten times as long to
consume 99.9% of the reactant as it does to consume 50% of the reactant.
2. Starting from the Arrhenius equation, derive the equation from which the rate constant for a
reaction at one temperature can be calculated if the rate constant for the reaction at another
temperature is known.
The rate constant for the decomposition of N2Os is 6.2 × 10-1 sec-l at 45°C. Calculate the
rate constant at 100°C, given that the activation energy is EA = 103 kJ mol-1.
R = 8.314 × 10-3 kJ mol·'K!.
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