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Find the midpoint of a segment with endpoints of 4-3i and -2+7i
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Ethyl alcohol, also known as ethanol, has a density of 0.79 g/ml. what is the volume, in quarts, of 1.95 kg of this alcohol?
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Chemistry, 23.06.2019 10:30
The element chlorine has two stable isotopes, chlorine-35 with a mass of 34.97 amu and chlorine-37 with a mass of 36.95 amu. from the atomic weight of cl = 35.45 one can conclude that:
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The highest-energy electron in a ground state atom has quantum numbers n = 4, ℓ = 1, mℓ = 0, ms = ½....
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