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Author Question: The half-life of 14C is 5,730 yr. Assuming some charcoal from a campfire 29,000 years old was found, ... (Read 34 times)

wqwpfwpoefnpwenf

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on: Nov 5, 2023

Question 1

The energy released by the sun is the result of
◦ natural radioactivity.
◦ nuclear fusion.
◦ combustion of hydrogen.
◦ photosynthesis.
◦ nuclear fission.

Question 2

The half-life of 14C is 5,730 yr.  Assuming some charcoal from a campfire 29,000 years old was found, what fraction of the original C–14 would remain today?
◦ 3.0 × 10–2

◦ 0.197
◦ 3.51
◦ 33.3
◦ None of these.
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
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Marked as best answer by wqwpfwpoefnpwenf on Nov 5, 2023

ElaneShive

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Reply #1 on: Nov 5, 2023
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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wqwpfwpoefnpwenf

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Reply 2 on: Nov 5, 2023
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yeungji

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Reply 3 on: Yesterday
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