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Author Question: The carbon-14 activity of some ancient Indian corn was found to be 7.0 disintegrations per minute ... (Read 48 times)

acwiles

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on: Nov 5, 2023

Question 1

Sulfur-35 decays by beta emission.  The decay product is
◦ P
◦ S
◦ Si
◦ Cl
◦ Cl

Question 2

The carbon-14 activity of some ancient Indian corn was found to be 7.0 disintegrations per minute (dpm) per gram of carbon.  If present-day plant life has 16 dpm per gram of carbon, how old is the Indian corn?  (t1/2  = 5,730 yr)
◦ 6,800 yr
◦ 2,500 yr
◦ 4,700 yr
◦ 10,000 yr
◦ 7,200 yr
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
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Marked as best answer by acwiles on Nov 5, 2023

swagmaster69

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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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acwiles

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Reply 2 on: Nov 5, 2023
:D TYSM

lindahyatt42

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Reply 3 on: Yesterday
Excellent

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