Subjective Questions Section A 1. Figure 1 shows a decay curve for sample X. Activity / counts per second 6000 5000- 4000+ 3000+ 2000- 1000+ t/ minute 8 4 Figure 1 (a) What is half-life? (b) Determine the original activity value of the sample X. (c) Specify the half-life of the sample X. Show on the graph how you get it.

Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter24: Nuclear Chemistry
Section: Chapter Questions
Problem 93A
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Subjective Questions
Section A
1. Figure 1 shows a decay curve for sample X.
Activity / counts per second
6000
5000-
4000-
3000+
2000+
1000-
t/ minute
8
2
6
Figure 1
(a) What is half-life?
(b) Determine the original activity value of the sample X.
(c) Specify the half-life of the sample X. Show on the graph how you get it.
Transcribed Image Text:Subjective Questions Section A 1. Figure 1 shows a decay curve for sample X. Activity / counts per second 6000 5000- 4000- 3000+ 2000+ 1000- t/ minute 8 2 6 Figure 1 (a) What is half-life? (b) Determine the original activity value of the sample X. (c) Specify the half-life of the sample X. Show on the graph how you get it.
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