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4. At 510 °C the decomposition of dimethyl ether, (CH3)2O: (CH3)20 (g) → CH4 (g) + H2(g) + CO(g) is a first order process in dimethyl ether, with a rate constant of 6.8 x 10-4 s-1. a. If the initial concentration of dimethyl ether is 0.44 M, what is the concentration after 250 s (1 point)? b. How many seconds will it take for the concentration (CH3)20 to decrease to 0.014 M? C. What is the half-life of this reaction (1 point)?

4. At 510 °C the decomposition of dimethyl ether, (CH3)2O: (CH3)20 (g) → CH4 (g) + H2(g) + CO(g) is a first order process in dimethyl ether, with a rate constant of 6.8 x 10-4 s-1. a. If the initial concentration of dimethyl ether is 0.44 M, what is the concentration after 250 s (1 point)? b. How many seconds will it take for the concentration (CH3)20 to decrease to 0.014 M? C. What is the half-life of this reaction (1 point)?

Chemistry
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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4. At 510 °C the decomposition of dimethyl ether, (CH3)20: (CH3)20 (g) → CH4 (g) + H2(g) + CO(g) is a first order process in dimethyl ether, with a rate constant of 6.8 × 10-4ª s-1. а. If the initial concentration of dimethyl ether is 0.44 M, what is the concentration after 250 s (1 point)? b. How many seconds will it take for the concentration (CH3)2O to decrease to 0.014 M? С. What is the half-life of this reaction (1 point)?
Transcribed Image Text:4. At 510 °C the decomposition of dimethyl ether, (CH3)20: (CH3)20 (g) → CH4 (g) + H2(g) + CO(g) is a first order process in dimethyl ether, with a rate constant of 6.8 × 10-4ª s-1. а. If the initial concentration of dimethyl ether is 0.44 M, what is the concentration after 250 s (1 point)? b. How many seconds will it take for the concentration (CH3)2O to decrease to 0.014 M? С. What is the half-life of this reaction (1 point)?
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