Part A: The decomposition of H2O2,H2O2(aq)→H2O(l)+12O2(g)H2O2,H2O2(aq)→H2O(l)+12O2(g), is a first-order reaction. At a particular temperature near room temperature, the rate constant equals 6.8×10−4 s^−1s^−1 . Calculate the half-life at this temperature. Part B: At 415∘C, (CH2)2O(CH2)2O decomposes in the gas phase, (CH2)2O(g)→CH4(g)+CO(g)(CH2)2O(g)→CH4(g)+CO(g). If the reaction is first order with a half-life of 56.3 min at this temperature, calculate the rate constant in s^−1s^−1. Express your answer using two significant figures.
Part A: The decomposition of H2O2,H2O2(aq)→H2O(l)+12O2(g)H2O2,H2O2(aq)→H2O(l)+12O2(g), is a first-order reaction. At a particular temperature near room temperature, the rate constant equals 6.8×10−4 s^−1s^−1 . Calculate the half-life at this temperature. Part B: At 415∘C, (CH2)2O(CH2)2O decomposes in the gas phase, (CH2)2O(g)→CH4(g)+CO(g)(CH2)2O(g)→CH4(g)+CO(g). If the reaction is first order with a half-life of 56.3 min at this temperature, calculate the rate constant in s^−1s^−1. Express your answer using two significant figures.
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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Part A: The decomposition of H2O2,H2O2(aq)→H2O(l)+12O2(g)H2O2,H2O2(aq)→H2O(l)+12O2(g), is a first-order reaction. At a particular temperature near room temperature, the rate constant equals 6.8×10−4 s^−1s^−1 . Calculate the half-life at this temperature.
Part B: At 415∘C, (CH2)2O(CH2)2O decomposes in the gas phase, (CH2)2O(g)→CH4(g)+CO(g)(CH2)2O(g)→CH4(g)+CO(g). If the reaction is first order with a half-life of 56.3 min at this temperature, calculate the rate constant in s^−1s^−1.
Express your answer using two significant figures.
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