If the initial sample is 2.50 g, what mass of the original iridium-192 remains after 5 days? 1.5 mass remaining: Incorrect Estimate the half-life of the radioisotope. half-life: 75 days How many days would it take for one-third of the sample to decay? 63 time: days Incorrect
If the initial sample is 2.50 g, what mass of the original iridium-192 remains after 5 days? 1.5 mass remaining: Incorrect Estimate the half-life of the radioisotope. half-life: 75 days How many days would it take for one-third of the sample to decay? 63 time: days Incorrect
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Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter20: Nuclear Chemistry
Section: Chapter Questions
Problem 20.109QP
Related questions
Question
![n 14 of 20 >
If the initial sample is 2.50 g, what mass of the original iridium-192 remains after 5 days?
1.5
mass remaining:
Incorrect
Estimate the half-life of the radioisotope.
half-life:
75
days
How many days would it take for one-third of the sample to decay?
63
time:
days
Incorrect](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd4fea8be-75a6-4eb7-993b-043f9493ff60%2Fbba04f20-401d-49a5-9112-90f44d75e2f0%2Ffm7pgd_processed.jpeg&w=3840&q=75)
Transcribed Image Text:n 14 of 20 >
If the initial sample is 2.50 g, what mass of the original iridium-192 remains after 5 days?
1.5
mass remaining:
Incorrect
Estimate the half-life of the radioisotope.
half-life:
75
days
How many days would it take for one-third of the sample to decay?
63
time:
days
Incorrect
![n 14 of 20
Iridium-192 is one radioisotope used in brachytherapy, in which a radioactive source is placed inside a patient's body to treat
cancer. Brachytherapy allows the use of a higher than normal dose to be placed near the tumor while lowering the risk of damage
to healthy tissue. Iridium-192 is often used in the head or breast.
Use the radioactive decay curve of iridium-192 to answer the three questions.
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Time (days)
If the initial sample is 2.50 g, what mass of the original iridium-192 remains after 5 days?
Sample
remaining (%)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd4fea8be-75a6-4eb7-993b-043f9493ff60%2Fbba04f20-401d-49a5-9112-90f44d75e2f0%2F08sgi2t_processed.jpeg&w=3840&q=75)
Transcribed Image Text:n 14 of 20
Iridium-192 is one radioisotope used in brachytherapy, in which a radioactive source is placed inside a patient's body to treat
cancer. Brachytherapy allows the use of a higher than normal dose to be placed near the tumor while lowering the risk of damage
to healthy tissue. Iridium-192 is often used in the head or breast.
Use the radioactive decay curve of iridium-192 to answer the three questions.
100
90
80 -
70-
60 -
50 -
40-
30
20
10
10
20
30
40
50
60
70
80
90
100
110
120 130
140
150 160
170 180
190
Time (days)
If the initial sample is 2.50 g, what mass of the original iridium-192 remains after 5 days?
Sample
remaining (%)
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