the rate of decomposition of hydrogen peroxide in dilute sodium hydroxide at room temperature is as follows: 2H2O2(aq)-> 2H2O(l) +O2(g).the reaction is a first-order in H2O2. The rate constant for the decomposition of H2O2 at 20oC is 1.8x10-5 s-1, and the initial concentration of H2O2 is 0.80 mol L-1.(i)What is the concentration of H2O2 after 8.0hours?(ii) how long will it take for the concentration of H2O2 to drop to 0.10M?(iii) how long will it take for 75% of the H2O2 to decompose?(iii)

Answered: the rate of decomposition of hydrogen…

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter11: Rate Of Reaction

Section: Chapter Questions

Problem 42QAP: The decomposition of sulfuryl chlorideSO2Cl2fur dioxide and chlorine gases is a first-order...

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the rate of decomposition of hydrogen peroxide in dilute sodium hydroxide at room temperature is as follows: 2H₂O₂(aq)-> 2H₂O(l) +O₂(g).

the reaction is a first-order in H₂O₂. The rate constant for the decomposition of H₂O₂at 20^oC is 1.8x10^-5s^-1,and the initial concentration of H₂O₂ is 0.80 mol L^-1.

(i)What is the concentration of H₂O₂ after 8.0hours?

(ii) how long will it take for the concentration of H₂O₂ to drop to 0.10M?

(iii) how long will it take for 75% of the H₂O₂ to decompose?

(iii)

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