time Number R (Bq) = Number of decays/time interval (in sec) time (sec) of decays interval (in sec) 60 400 316.98 270.7 212.13 0-60 19019 60-120 120 16242 250 120-180 180 12734 y= 433.05e0 180-240 240 9410 156.83 300 240-300 300 7504 125.06 250 5674 94.56 74.15 56.73 300-360 360 360-420 420 4449 200 Series1 420-480 480 3404 - Expon. (Series1) 150 100 50 time (in sec) 100 200 300 400 500 600

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...
icon
Related questions
Question

 

Calculate the initial activity of the sample, the half-life, and the predicted activity of the sample after 15 minutes. 

time
Number R (Bq) = Number of decays/time
of decays interval (in sec)
interval
time (sec)
60
(in sec)
400
0-60
19019
316.98
60-120
120
16242
270.7
120-180
180
12734
212.13
y= 433.05e 0d
9410
7504
180-240
240
156.83
300
240-300
300
125.06
250
300-360
360
5674
94.56
4449
3404
360-420
420
74.15
200
Series1
420-480
480
56.73
Expon. (Series1)
150
100
50
time (in sec)
100
200
300
400
500
600
Transcribed Image Text:time Number R (Bq) = Number of decays/time of decays interval (in sec) interval time (sec) 60 (in sec) 400 0-60 19019 316.98 60-120 120 16242 270.7 120-180 180 12734 212.13 y= 433.05e 0d 9410 7504 180-240 240 156.83 300 240-300 300 125.06 250 300-360 360 5674 94.56 4449 3404 360-420 420 74.15 200 Series1 420-480 480 56.73 Expon. (Series1) 150 100 50 time (in sec) 100 200 300 400 500 600
If the activity of a source at time t= 0 is R(0) and its half-life is T, the activity of the source at timet is:
R(t) = R(0)e¬In (2)
Transcribed Image Text:If the activity of a source at time t= 0 is R(0) and its half-life is T, the activity of the source at timet is: R(t) = R(0)e¬In (2)
Expert Solution
steps

Step by step

Solved in 3 steps with 3 images

Blurred answer
Knowledge Booster
Nuclear Reactions
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Organic Chemistry
Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Elementary Principles of Chemical Processes, Bind…
Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY