Part B The integrated rate law allows chemists to predict the reactant concentration after a certain amount of time, or the time it would take for a certain concentration to be reached. What is the rate constant of a first-order reaction that takes 8.90 minutes for the reactant concentration to drop to half of its initial value? • View Available Hint(s) The integrated rate law for a first-order reaction is: [A] = [A]oe-kt Now say we are particularly interested in the time it would take for the concentration to become one-half of its inital value. Then Πνα ΑΣφ we could substitute Alo for [A] and rearrange the equation to: [A], 0.693 579 min- t/2 = This equation caculates the time required for the reactant concentration to drop to half its initial value. In other words, it calculates the half-life. Submit Previous Answers X Incorrect; Try Again; attempts remaining Part C A certain first-order reaction has a rate constant of 2.60x10-3 s1. How long will it take for the reactant concentration to drop to - of its initial value? • View Available Hint(s)
Part B The integrated rate law allows chemists to predict the reactant concentration after a certain amount of time, or the time it would take for a certain concentration to be reached. What is the rate constant of a first-order reaction that takes 8.90 minutes for the reactant concentration to drop to half of its initial value? • View Available Hint(s) The integrated rate law for a first-order reaction is: [A] = [A]oe-kt Now say we are particularly interested in the time it would take for the concentration to become one-half of its inital value. Then Πνα ΑΣφ we could substitute Alo for [A] and rearrange the equation to: [A], 0.693 579 min- t/2 = This equation caculates the time required for the reactant concentration to drop to half its initial value. In other words, it calculates the half-life. Submit Previous Answers X Incorrect; Try Again; attempts remaining Part C A certain first-order reaction has a rate constant of 2.60x10-3 s1. How long will it take for the reactant concentration to drop to - of its initial value? • View Available Hint(s)
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 b and c please
![Part B
The integrated rate law allows chemists to predict the reactant
concentration after a certain amount of time, or the time it would
What is the rate constant of a first-order reaction that takes 8.90 minutes for the reactant concentration to drop to half of its initial value?
take for a certain concentration to be reached.
• View Available Hint(s)
The integrated rate law for a first-order reaction is:
[A] = [A]oe-kt
Now say we are particularly interested in the time it would take
ΑΣφ
for the concentration to become one-half of its inital value. Then
we could substitute
[A]o
for [A and rearrange the equation to:
2
579
min-1
0.693
t1/2 =
k
This equation caculates the time required for the reactant
concentration to drop to half its initial value. In other words, it
Submit
Previous Answers
calculates the half-life.
X Incorrect; Try Again; 4 attempts remaining
Part C
A certain first-order reaction has a rate constant of 2.60x10-3 s-. How long will it take for the reactant concentration to drop to - of its initial value?
• View Available Hint(s)
ΑΣφ
?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F84c83def-be07-40a8-bbce-55579b69cf96%2F8e95af47-20f4-4818-a4bb-4025905cb4ae%2Fcoymjn4_processed.png&w=3840&q=75)
Transcribed Image Text:Part B
The integrated rate law allows chemists to predict the reactant
concentration after a certain amount of time, or the time it would
What is the rate constant of a first-order reaction that takes 8.90 minutes for the reactant concentration to drop to half of its initial value?
take for a certain concentration to be reached.
• View Available Hint(s)
The integrated rate law for a first-order reaction is:
[A] = [A]oe-kt
Now say we are particularly interested in the time it would take
ΑΣφ
for the concentration to become one-half of its inital value. Then
we could substitute
[A]o
for [A and rearrange the equation to:
2
579
min-1
0.693
t1/2 =
k
This equation caculates the time required for the reactant
concentration to drop to half its initial value. In other words, it
Submit
Previous Answers
calculates the half-life.
X Incorrect; Try Again; 4 attempts remaining
Part C
A certain first-order reaction has a rate constant of 2.60x10-3 s-. How long will it take for the reactant concentration to drop to - of its initial value?
• View Available Hint(s)
ΑΣφ
?
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