Understanding radioactive half lifeA medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 23.00 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 1/16 of the initial amount.radionuclidesampleinitialradioactivitytime for amount ofradionuclide to decrease tosymbolhalf-life1/16 of initial amount179ATa2. years(choose one)☐ years737BBe53.0 days(choose one)☐ days4182CTa115. days(choose one)☐ days73227DAc22. years✓ (choose one)☐ years891 (highest)2☑34 (lowest)

To solve this problem, we need to perform the following tasks:Order the samples by decreasing…

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

Section: Chapter Questions

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

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The half life of a specific radionuclide is 8 days. How much of an 80mg sample will be left after 24 days?
A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 22.00 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 1/8 of the initial amount. sample A B C D symbol 75 34 133 54 95 41 227 radionuclide 89 Se Xe Nb Ac half-life 120. days 5.0 days 35.0 days 22. years initial radioactivity (choose one) î (choose one) ↑ (choose one) ŵ (choose one) ↑ time for amount of radionuclide to decrease to 1/8 of initial amount X days days days years Ś
A medic hnican 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 radionudlide in each sample to decrease to 1/8 of the initial amount. radionuclide time for amount of initial radioactivity radionuclide to decrease to 1/8 of initial amount sample symbol half-life 139 Ce 58 138. days (choose one) V days A 125 60.0 days (choose one) v O days B 53 77 Br 35 57.0 hours |(choose one) v hours 51 Mn O minutes D 46.0 minutes [choose one) v 25
A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 24.00 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 1/3 of the initial amount. radionuclide time for amount of radionuclide to decrease to 1/32 of initial amount sample Initial symbol half-ife radioactivity 177 Lu 71 7.0 days tehnose one 0 O days 212 Bi O nours 1. hour (choose one) e 83 85 O days Sr 65.0 days (choosa one) B 38 88 107. days O days D. Y (choose one) B 39 time for amount of radionuclide to decrease to radionuclide Initial sample radioactivity symbol half-life 1/32 of initial amount 177 Lu 7.0 days O days A v (choose one) 71 1 (highest) 212 Bi 83 1. hour O hours 3. 4 (lowest) 85 Sr 38 I days 65.0 days (choose one) O 88 107. days O days D Y. (choose one) B 39
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)
A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 17.00 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. sample A B D symbol 18 9 75 M 35 177 71 152 63 radionuclide F Br Lu Eu half-life 2. hours 98.0 minutes 7.0 days 13. years initial radioactivity (choose one) (choose one) O (choose one) (choose one) time for amount of radionuclide to decrease to 1/16 of initial amount hours minutes days years
Fluorine-18, which has a half-life of 110 minmin, is used in PET scans. 2) If 120. mgmg of fluorine-18 is shipped at 7:00 A.M., how many milligrams of the radioisotope are still active when the sample arrives at the radiology laboratory at 4:10 P.M.?
* → esc → C 1 O NUCLEAR CHEMISTRY Understanding radioactive half life sample 1 6 A B Explanation A Announcemer X С A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 14.00 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 1/32 of the initial amount. D Q ? N symbol 90 39 55 @ 27 133 54 203 82 Y 2 radionuclide Co https://www-awu.aleks.com/alekscgi/x/Isl.exe/10_u-IgNslkr7j8P3jH-IBMBkpcnaFu0F7UjsroJMKrbFHXPNvwILIE9DNBkbkvSm.... A Xe Pb 124 * Check S W X ALEKS-Chiso X alt # [tx half-life 64.0 hours 18. hours 5.0 days 2.0 days 3 * Q Search E D $ C 4 amathxl pearso X initial radioactivity (choose one): (choose one) v 14-jad (choose one) (choose one) ✓ R F 0 % V do 5 T G time for amount of radionuclide to decrease to 1/32 of initial amount 14- ^ Homework an X 6 B Y H hours hours…
A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 17.00 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. 000 radionuclide sample initial radioactivity time for amount of radionuclide to decrease to 1/32 of initial amount Ar days A days B hours C hours D symbol 192 Ir 77 188 74 62 30 67 31 W Zn Ga half-life 74.0 days 69.0 days 9.0 hours 78.0 hours (choose one (choose one) (choose one) (choose one) X ?
A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 25.00 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. radionuclide time for amount of radionuclide to decrease to 1/4 of initial amount initial radioactivity olo sample symbol half-life 64 Ga 31 3. minutes v (choose one) 1 (highest) Iminutes A 203 3 2. days I days Pb 4 (lowest) 82 122 4. minutes (choose one) minutes 53 32 14. days I days D (choose one) 15 Explanation Check Privacy Accessibility 2021 McGraw-Hill Education. All Rights Reserved. Terms of Use TO W MAY 1 10 MacBook Air
A medical technican is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 6.00 umol of the radionuclide. First, order the samples by decreasing initial radioactivity. Then calculate how long it will take for the amount of radionudide in each sample to decrease to 1/4 of the initial amount.
A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 13.00 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 sample initial radioactivity symbol half-life 46 A Sc 84.0 days (choose one) 21 21 time for amount of radionuclide to decrease to 1/16 of initial amount ☐ days 91 B Y 59.0 days (choose one) ☐ days 39 ur 52 C Mn 6.0 days (choose one) ☐ days 25 18 D F 2. hours (choose one) hours 9 1 (highest) half 2 3 4 (lowest) х Ar ?

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