The half–life of a radioactive material is tH = 5.0 minutes. The initial amount of the material is 100.0 g. N = N0 e–kt    or    N = N0 (1/2)t/tH  How much material remains after 8.0 minutes?   Question 3 options:   29.0 g   27.0 g   33.0 g How much time is required for the material amount to decrease to 15.0 g?   Question 4 options:   12.4 minutes   13.7 minutes   11.8 minutes

Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter19: Nuclear Chemistry
Section: Chapter Questions
Problem 51AP
icon
Related questions
Question

The half–life of a radioactive material is tH = 5.0 minutes. The initial amount of the material is 100.0 g.

N = N0 ekt    or    N = N0 (1/2)t/tH 

How much material remains after 8.0 minutes?

 

Question 3 options:

 

29.0 g

 

27.0 g

 

33.0 g

How much time is required for the material amount to decrease to 15.0 g?

 

Question 4 options:

 

12.4 minutes

 

13.7 minutes

 

11.8 minutes

Expert Solution
steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Recommended textbooks for you
Principles of Modern Chemistry
Principles of Modern Chemistry
Chemistry
ISBN:
9781305079113
Author:
David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:
Cengage Learning
Chemistry: The Molecular Science
Chemistry: The Molecular Science
Chemistry
ISBN:
9781285199047
Author:
John W. Moore, Conrad L. Stanitski
Publisher:
Cengage Learning
Chemistry for Engineering Students
Chemistry for Engineering Students
Chemistry
ISBN:
9781285199023
Author:
Lawrence S. Brown, Tom Holme
Publisher:
Cengage Learning
Chemistry for Engineering Students
Chemistry for Engineering Students
Chemistry
ISBN:
9781337398909
Author:
Lawrence S. Brown, Tom Holme
Publisher:
Cengage Learning
General Chemistry - Standalone book (MindTap Cour…
General Chemistry - Standalone book (MindTap Cour…
Chemistry
ISBN:
9781305580343
Author:
Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:
Cengage Learning
Chemistry: An Atoms First Approach
Chemistry: An Atoms First Approach
Chemistry
ISBN:
9781305079243
Author:
Steven S. Zumdahl, Susan A. Zumdahl
Publisher:
Cengage Learning