You are dating rocks by their proportion of parent isotope potassium-40 (half-life time 1.25 billion years) and daughter isotope argon-40. If the rock initially was made of only potassium-40, find the age for each of the following (explain your reasoning): a) A rock containing equal amount of potassium-40 and Argon-40. b) A rock that contain three times as much argon-40 as potassium-40
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Chemistry, 22.06.2019 00:30, mannster03
This active feature of earth's crust in building mountain ranges as well as islands. this feature is a a) cavern. b) earthquake. c) mountain. d) volcano.
Answers: 2
Chemistry, 22.06.2019 09:00, wkalpakchi
Given the following reaction: c3h8+5o2=3co2+4h20 how many grams of co2 will be produced 7 g of c3h8 and 98 g of o2
Answers: 1
You are dating rocks by their proportion of parent isotope potassium-40 (half-life time 1.25 billion...
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