Chemistry, 14.08.2019 08:20 petroale000
The two isotopes of potassium with significant abundance in nature are 39k asotopic mass 38.9637 amu, 932.58%) and 41k osotopic mass 40.9618 amu, 6.730%). fluorine has only one naturally occurring isotope, 19f (isotopic mass 18.9984 amu). calculate the formula mass of potassium fluoride.
Answers: 1
Chemistry, 22.06.2019 05:30
What happens to the atomic radius when an elctron is lost
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Chemistry, 22.06.2019 12:20
Adeuteron, 21h, is the nucleus of a hydrogen isotope and consists of one proton and one neutron. the plasma of deuterons in a nuclear fusion reactor must be heated to about 3.02×108 k . what is the rms speed of the deuterons? express your answer using two significant figures.
Answers: 1
Chemistry, 22.06.2019 17:10
Some liquids can be distilled, but only at temperatures that are so high that it is impractical, or so high the compound decomposes. explain why distillation such compounds at significantly less than atmospheric pressure (some degree of vacuum) would solve this problem.
Answers: 2
The two isotopes of potassium with significant abundance in nature are 39k asotopic mass 38.9637 amu,...
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