The decomposition of hydrogen peroxide, 2 H₂O(aq) → 2 H₂O(l) + O₂(g), follows first-order kinetics with respect to H₂O₂ and has k = 0.041 min-¹ in the rate -1 law for the decomposition of H₂O2. If the initial concentration of H₂O2 is 0.35 mol/L, what is its concentration after 42 min? Answer in units of mol/L. How much time will it take for the H₂O2 concentration to decrease from 0.5 mol/L to 0.21 mol/L? Answer in units of min.

The decomposition of hydrogen peroxide, 2 H₂O(aq) → 2 H₂O(l) + O₂(g), follows first-order kinetics with respect to H₂O₂ and has k = 0.041 min-¹ in the rate -1 law for the decomposition of H₂O2. If the initial concentration of H₂O2 is 0.35 mol/L, what is its concentration after 42 min? Answer in units of mol/L. How much time will it take for the H₂O2 concentration to decrease from 0.5 mol/L to 0.21 mol/L? Answer in units of min.

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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