Chemistry, 23.08.2019 00:30 heavyhearttim
Asample of carbon of mass 250 mg from wood found in a tomb underwent 2480 carbon- 14 disintegrations in 20 h. estimate the time since death: assuming the modern sample underwent 1.84 times 10^4 disintegrations in the same time period.
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Chemistry, 22.06.2019 09:00, alydiale584
Particles vibrate in a rigid structure and do not move relative to their neighbors.
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Chemistry, 22.06.2019 14:30, clemsongirl5392
Select all that apply. using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 (s) pb+2(aq) + 2cl -(aq). the concentration of the products yield a ksp of 2.1 x 10-2:
Answers: 2
Asample of carbon of mass 250 mg from wood found in a tomb underwent 2480 carbon- 14 disintegrations...
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