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Author Question: Carbon-14, which is present in all living tissue, radioactively decays via a first-order process. A ... (Read 43 times)

ishan

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on: Feb 15, 2020

Question 1

Radiation is dangerous to organisms because
◦ it causes electrolysis of water in the cells.
◦ it ionizes molecules in the cells.
◦ it causes nuclear reactions in the cells.
◦ all radionuclides are poisonous.

Question 2

Carbon-14, which is present in all living tissue, radioactively decays via a first-order process. A one-gram sample of wood taken from a living tree gives a rate for carbon-14 decay of 13.6 counts per minute. If the half-life for carbon-14 is 5715 years, how old is a wood sample that gives a rate for carbon-14 decay of 3.9 counts per minute?
◦ 2.9 × 104 yr
◦ 4.6 × 103 yr
◦ 6.6 × 103 yr
◦ 1.0 × 104 yr
Chemistry ¦ McMurry, Fay, Robinson ¦ 7th Edition
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Marked as best answer by ishan on Feb 15, 2020

katieost

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Reply #1 on: Feb 15, 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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ishan

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Reply 2 on: Feb 15, 2020
:D TYSM

daiying98

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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