Question 14: In the first order reaction, A->2B, it takes 125 seconds for 20.0 percent of a sample of A to react. What is the value of the rate constant, k? (to 3 significant figures) /s How long in seconds would it take until 10.0 percent of the original sample of A remained? S Check
Question 14: In the first order reaction, A->2B, it takes 125 seconds for 20.0 percent of a sample of A to react. What is the value of the rate constant, k? (to 3 significant figures) /s How long in seconds would it take until 10.0 percent of the original sample of A remained? S Check
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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Question 14
![Question 14:
In the first order reaction, A->2B, it takes 125 seconds for 20.0 percent of a sample of A to react.
What is the value of the rate constant, k? (to 3 significant figures)
/s
How long in seconds would it take until 10.0 percent of the original sample of A remained?
S
Check](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff3981591-aeca-4bc4-8bc5-3964e0da4047%2F64913094-b14d-4018-8daf-4c5f65e1159a%2Ffgwkax_processed.png&w=3840&q=75)
Transcribed Image Text:Question 14:
In the first order reaction, A->2B, it takes 125 seconds for 20.0 percent of a sample of A to react.
What is the value of the rate constant, k? (to 3 significant figures)
/s
How long in seconds would it take until 10.0 percent of the original sample of A remained?
S
Check
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