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Author Question: Human bones found on the west coast of the United States were thought to be remains of a prospector ... (Read 27 times)

deesands

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on: Feb 15, 2020

Question 1

Carbon-14 has a half-life of 5715 years. Currently living organisms decay at a rate of 15.3 disintegrations/ min per gram of carbon. If an archeological artifact has a carbon-14 decay rate of 12.0 disintegrations/ min per gram of carbon, the approximate age of the artifact is ________ years old.

Question 2

Human bones found on the west coast of the United States were thought to be remains of a prospector who lived in the 19th century. The bones were subjected to carbon-14 dating. Carbon-14 has a half-life of 5715 years. Living organisms decay at a rate of 15.30 disintegrations per minute per gram of carbon. The bones had a carbon-14 decay rate of 4.660 disintegrations per minute per gram of carbon. To one significant figure the age of the bones is ________ years old, so the person ________ (did, did not) live in the 19th century.
Chemistry ¦ McMurry, Fay, Robinson ¦ 7th Edition
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Marked as best answer by deesands on Feb 15, 2020

fwbard

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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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deesands

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Reply 2 on: Feb 15, 2020
Gracias!

kswal303

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Reply 3 on: Yesterday
Excellent

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