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1. Figure 3 shows the measured decrease in activity for a pure sample of a specific isotope of plutonium. The measurements are provided in the data file and you may assume an error of 0.2 Ci for each point. Determine the following: (a) The half-life of the plutonium isotope. (b) Identify the specific isotope (i.e. the atomic mass). (c) Calculate the mass (in kg) of the radioactive sample at the t = 0 and t = 200 d. 回日回 Activity [CI] 25 20- 15- $10- 5 0 25 50 75 100 time (days) " 125 150 175 200 Figure 3: Decay curve for a sample of Plutonium. Total: 10

1. Figure 3 shows the measured decrease in activity for a pure sample of a specific isotope of plutonium. The measurements are provided in the data file and you may assume an error of 0.2 Ci for each point. Determine the following: (a) The half-life of the plutonium isotope. (b) Identify the specific isotope (i.e. the atomic mass). (c) Calculate the mass (in kg) of the radioactive sample at the t = 0 and t = 200 d. 回日回 Activity [CI] 25 20- 15- $10- 5 0 25 50 75 100 time (days) " 125 150 175 200 Figure 3: Decay curve for a sample of Plutonium. Total: 10

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter25: Nuclear Chemistry
Section: Chapter Questions
Problem 36PS
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1. Figure 3 shows the measured decrease in activity for a pure sample of a specific isotope of plutonium. The measurements are provided in the data file and you may assume an error of 0.2 Ci for each point. Determine the following: (a) The half-life of the plutonium isotope. (b) Identify the specific isotope (i.e. the atomic mass). (c) Calculate the mass (in kg) of the radioactive sample at the t = 0 and t = 200 d. 回日回 Activity [CI] 25 20- 15- $10- 5 0 25 50 75 100 time (days) " 125 150 175 200 Figure 3: Decay curve for a sample of Plutonium. Total: 10
Transcribed Image Text:1. Figure 3 shows the measured decrease in activity for a pure sample of a specific isotope of plutonium. The measurements are provided in the data file and you may assume an error of 0.2 Ci for each point. Determine the following: (a) The half-life of the plutonium isotope. (b) Identify the specific isotope (i.e. the atomic mass). (c) Calculate the mass (in kg) of the radioactive sample at the t = 0 and t = 200 d. 回日回 Activity [CI] 25 20- 15- $10- 5 0 25 50 75 100 time (days) " 125 150 175 200 Figure 3: Decay curve for a sample of Plutonium. Total: 10
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