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Author Question: In nuclear magnetic resonance, nuclei absorb energy when flipping between nuclear (Read 102 times)

HCHenry

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on: Aug 10, 2020

Question 1

How many radioactive atoms are present in a sample that has an activity of 0.5 μCi and a half-life of 10 years? (1 curie = 3.7 × 1010 decays/s)

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9.5 × 1012 atoms

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8.4 × 1012 atoms

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7.3 × 1012 atoms

◦
6.5 × 1012 atoms

◦
2.7 × 105 atoms


Question 2

In nuclear magnetic resonance, nuclei absorb energy when flipping between nuclear

◦
mass states.

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spin states.

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charge states.

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decay states.

◦
isotope states.
Physics for Scientists and Engineers ¦ Serway, Jewett ¦ 9th Edition
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Marked as best answer by HCHenry on Aug 10, 2020

juwms

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Reply #1 on: Aug 10, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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HCHenry

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Reply 2 on: Aug 10, 2020
YES! Correct, THANKS for helping me on my review

nguyenhoanhat

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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