Chemistry, 23.04.2021 20:20 EllaLovesAnime
g Uranium, an important component of both nuclear weapons and nuclearreactors, has two major isotopes, U-238, which has a half-life of approximately 4.5 billion years, and U-235, which has a half-life of approximately 700 million years. Both were present in equal amounts at the time of thecreation of the Earth, billion years ago. How many years after the creationof the Earth had the amount of radiation from uranium decayed to half theamount present at the time of the creation of the Earth
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Chemistry, 23.06.2019 02:00
The bohr model of the atom explained why emission spectra are discrete. it could also be used to explain the photoelectric effect. which is a correct explanation of the photoelectric effect according to the model?
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If the solubility of a gas in water is 1.22 g/l at 2.75 atm, what is its solubility (in g/l) at 1.0 atm?
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Chemistry, 23.06.2019 12:30
If you reacted 450 g of trimethylgallium with 300 g of arsine, what mass of gaas could you make?
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g Uranium, an important component of both nuclear weapons and nuclearreactors, has two major isotope...
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