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Chemistry, 15.10.2019 05:00 jluvit6135
14) oxygen-15 has a half-life of 2 minutes. how old is the substance after 5 half-lives?
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For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.
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14) oxygen-15 has a half-life of 2 minutes. how old is the substance after 5 half-lives?...
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