Attempt 5 mass remaining: 6.9 Estimate the half-life of the radioisotope. 70 half-life: days Inenrect How many days would it take for two-thirds of the sample to decay? 41 days time: Incorrect

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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O Attermpt 5
mass remaining:
6.9
Estimate the half-life of the radioisotope.
70
half-life:
days
Inenrect
How many days would it take for two-thirds of the sample to decay?
41
days
time:
Incorrect
Transcribed Image Text:O Attermpt 5 mass remaining: 6.9 Estimate the half-life of the radioisotope. 70 half-life: days Inenrect How many days would it take for two-thirds of the sample to decay? 41 days time: Incorrect
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EQuestion 32 of as>
O Attempt 5
Iridium-192 is one radioisotope used in brachytherapy, in which a radicactive source is placed inside a putient's body to treat
cancer. Brachytherapy allows the use of a higher than normal dose to be placed near the tumor while kowering 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
NO.
ia e e
Ti
It the initial sample is 7.25 , what mass of the original iridium 192 remains afher 5 days?
Transcribed Image Text:Sane Resources Feedback Meume EQuestion 32 of as> O Attempt 5 Iridium-192 is one radioisotope used in brachytherapy, in which a radicactive source is placed inside a putient's body to treat cancer. Brachytherapy allows the use of a higher than normal dose to be placed near the tumor while kowering 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 NO. ia e e Ti It the initial sample is 7.25 , what mass of the original iridium 192 remains afher 5 days?
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