Understanding radioactive half lifeA medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 11.00 µmol ofthe radionuclide.First, order the samples by decreasing initial radioactivity. Then calculate how long it will take for the amount of radionuclide in each sampleto decrease to 1/32 of the initial amount.radionuclidesampleinitialradioactivitysymbolhalf-lifetime for amount ofradionuclide to decrease to1/32 of initial amount11A20.0 minutes(choose one)☐ minutes6178BTa9.0 minutes(choose one)☐ minutes73194COs6.0 years(choose one)☐ years7664DGa3.0 minutes(choose one)☐ minutes311 (highest)2☑34 (lowest)00018Ar

The initial radioactivity of a sample is inversely proportional to the half-life. A shorter…

Answered: Understanding radioactive half life A…

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

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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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What is a radioisotope and explain the term ‘half-life’? Calculate what fraction of aradioisotope would remain after three half-lives?
A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 24.00 µmol of the radionuclide. First, order the samples by decreasing initial radioactivity. Then calculate how long it will take for the amount of radionuclide in each sample to decrease to 1/16 of the initial amount. radionuclide time for amount of radionuclide to decrease to initial sample radioactivity symbol half-life 1/16 of initial amount 64 Ga 3.0 minutes v (choose or minutes 31 1 (highest) 33 25.0 days days 15 4 (lowest) 103 Ru days 39.0 days (choose one) e 44 68 Ga minutes 68.0 minutes (choose one) E D 31 Check Privacy Center | Accessil Explanation O 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use tv A APH 22 B.
Understanding radloactive nal me A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 3.00 µmol of the radionuclide. First, order the samples by decreasing initial radioactivity. Then calculate how long it will take for the amount of radionuclide in each sample to decrease to 1/4 of the initial amount. radionuclide time for amount of initial sample radionuclide to decrease to radioactivity symbol half-life 1/4 of initial amount 72 As 33 A 26. hours (choose one) v hours 60 Co B 5.0 years |(choose one) v years 27 99 Mo 42 66.0 hours (choose one) hours 227 D Ac 89 22. years (choose one) v O years Explanation Check P Type here to search 02022 McGraw Hill LLC All Rights Reserved. Terms of Use I Privacy Center Accessibility 99+ IA ASUS ZenBook F3 F5 F6 F8 F9 F10 F12 Prt Sc Insert De %24 4. & 6.
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A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 7.00 µmol of the radionuclide. First, order the samples by decreasing initial radioactivity. Then calculate how long it will take for the amount of radionuclide in each sample to decrease to 1/32 of the initial amount. radionuclide sample initial radioactivity time for amount of radionuclide to decrease to 1/32 of initial amount A (choose one) ✓ hours (choose one) ✓ minutes (choose one) hours (choose one) minutes B D symbol 67 Ga 31 11 6 149 65 122 53 C Tb H half-life 78.0 hours 20.0 minutes 4.0 hours 4.0 minutes > X G ? 27 09: olo Ar
Nitrogen -13 has a half-life of 10 minutes .What amount of a 16 mg sample would remain after 30 minutes.
MISSED THIS? Read Section 17.5. You can click on the Review link to access the section in your eText. Part A A patient is given 0.050 mg of technetium-99 m (where m means metastable-an unstable but long-lived state), a radioactive isotope with a half-life of about 6.0 hours. How long until the radioactive isotope decays to 1.3x10-2 mg ? Express your answer using two significant figures. ΑΣφ. ? hours Submit Request Answer
The half life of a specific radionuclide is 8 days. How much of an 80mg sample will be left after 24 days?
||| Understanding radioactive half life sample A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 19.00 umol of the radionuclide. First, order the samples by decreasing initial radioactivity. Then calculate how long it will take for the amount of radionuclide in each sample to decrease to 1/4 of the initial amount. A B C D Explanation symbol 33 15 188 75 127 54 227 89 radionuclide P Re Xe Ac Check half-life 25. days 17. hours 36. days 22. years initial radioactivity (choose one) B (choose one) (choose one) O (choose one) e time for amount of radionuclide to decrease to 1/4 of initial amount X days hours days years S MacBook Pro 0/3 Kimberly V ( Ⓒ2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility ?圖□ 圆图 olo Ar
E NUCLEAR CHEMISTRY Understanding radioactive half life A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 10.00 umol of the radionuclide. First, order the samples by decreasing initial radioactivity. Then calculate how long it will take for the amount of radionuclide in each sample to decrease to 1/4 of the initial amount. sample A 10 B U D symbol 52 25 75 35 103 46 188 radionuclide 74 Ma Br Pd W half-life 6.0 days 98.0 minutes 17. days 69.0 days initial radioactivity (choose one) B (choose one) B (choose one) (choose one) time for amount of radionuclide to decrease to 1/4 of initial amount days minutes days 0/5 days
A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 22.00 umol of the radionuclide. First, order the samples by decreasing initial radioactivity. Then calculate how long it will take for the amount of radionuclide in each sample to decrease to 1/4 of the initial amount. time for amount of initial radioactivity radionuclide to decrease to 1/4 of initial amount radionuclide sample symbol half-life 51 Cr 28. days (choose one) v days A 24 179 Ta 2. years (choose one) v years B 73 201 T1 73.0 hours (choose one) v hours 81 46 Sc 84.0 days (choose one) v O days D 21 (choose one) 1 (highest) 4 (lowest)
The half‑lives of different medical radioisotopes are given in the table. If the initial amount of chromium‑51 is 133 mCi, how much chromium‑51 is left in the body after 84 days? Radioisotope Half‑life (days) arsenic‑74 18 iodine‑131 8 phosphorus‑32 14 chromium‑51 28

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