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How do the energy differences between the higher energy levels of an atom compare with the energy difference between the lower energy level of the atom
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The volume of helium in a blimp is 6.28 x 10^9 millimeters. the density of helium in the blimp is .1786 kilogram/meter^3. find the mass of the helium in the blimp.
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Chemistry, 22.06.2019 22:00
What mass of glucose is produced when 54g of water react with carbon dioxide
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Under the right conditions aluminum will react with chlorine to produce aluminum chloride.
2 Al + 3...
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