A 400-mg sample of technetium-99m is used for a diagnostic test. If technetium-99m has an effective half-life of 4.8 hours, how much of the technetium-99m remains 72
hours after the test?
Express your answer to two significant figures and include the appropriate units.
Answers: 3
Chemistry, 22.06.2019 08:30
How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same
Answers: 2
Chemistry, 22.06.2019 12:30
Acontrol during an experiment. might change remains constant does not exist does change
Answers: 1
Chemistry, 22.06.2019 15:00
Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?
Answers: 1
A 400-mg sample of technetium-99m is used for a diagnostic test. If technetium-99m has an effective...
English, 13.02.2020 23:33
Mathematics, 13.02.2020 23:33
Mathematics, 13.02.2020 23:33
Mathematics, 13.02.2020 23:33
English, 13.02.2020 23:35
Mathematics, 13.02.2020 23:42
Computers and Technology, 13.02.2020 23:43