The decomposition of hydrogen peroxide is first order in H,02. The rate constant for this reaction at 20°C is 1.8 × 10-5s-1. If the starting concentration of H,O, is 0.75 M, determine (c) how long it will take for the H,0, concentration to drop to 0.375 M Note that 0.375 M is ½ of the starting concentration 0.75 M The time it takes for the reactant to get used up such that ½ of the original concentration is left is called the half-life. What is the first digit of the answer in seconds? A) 1 B) 2 C) 3 D) 4 E) 5

The decomposition of hydrogen peroxide is first order in H,02. The rate constant for this reaction at 20°C is 1.8 × 10-5s-1. If the starting concentration of H,O, is 0.75 M, determine (c) how long it will take for the H,0, concentration to drop to 0.375 M Note that 0.375 M is ½ of the starting concentration 0.75 M The time it takes for the reactant to get used up such that ½ of the original concentration is left is called the half-life. What is the first digit of the answer in seconds? A) 1 B) 2 C) 3 D) 4 E) 5

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

Chapter12: Chemical Kinetics

Section: Chapter Questions

Problem 50E: The decomposition of hydrogen iodide on finely divided gold at 150C is zero order with respect to...

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