Chemistry, 03.01.2020 01:31, Fortnitenerd2238
Phosphorus-32 has a half-life of 14.0 days. starting with 8.00 g of 32p, how many grams will remain after 112 days ?
a brain scan uses the radioisotope oxygen-15. the recommended dosage is 60 mci . a supply of 220 mci in 40 ml arrives at the lab. how many ml will be injected into a patient?
express your answer to one significant figure and include the appropriate units.
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Chemistry, 22.06.2019 00:00, brookemcelhaney
Which of the following methods uses the decay of atomic particles in an object to find its exact age? a. fossil dating b. geologic dating c. radioactive dating d. relative dating
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The variability in marine salinity between habitats does not impact the fish living there. select the best answer from the choices provided t f
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Chemistry, 22.06.2019 12:00, macylen3900
Ineed this asap part i: scientific method what is the difference between science and pseudoscience? what is the scientific method?
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Chemistry, 22.06.2019 12:30, kaliyab191
Sodium sulfate dissolves as follows: na2so4(s) → 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?
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Phosphorus-32 has a half-life of 14.0 days. starting with 8.00 g of 32p, how many grams will remain...
Physics, 08.12.2020 23:40
Chemistry, 08.12.2020 23:40