Chemistry, 18.07.2019 16:20 johnlumpkin5183
Arock sample contains 4.5g of potassium-40 and 31.5g of its daughter isotope (argon-40). how old is the rock sample if potassium-40 has a half-life of 1.3 billion years?
Answers: 1
Chemistry, 21.06.2019 22:00, anarosa331hotmailcom
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Chemistry, 22.06.2019 03:40, 19thomasar
Kc = 0.040 for the system below at 450oc. if a reaction is initiated with 0.40 mole of cl2 and 0.40 mole of pcl3 in a 2.0 liter container, what is the equilibrium concentration of cl2 in the same system? pcl5(g) ⇄ pcl3(g) + cl2(g)
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Arock sample contains 4.5g of potassium-40 and 31.5g of its daughter isotope (argon-40). how old is...
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