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Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules
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How can carbon move from "land" to bodies of water? describe the way human impact has lead to increased levels of co2 in the atmosphere.
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The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?
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An object starts at position 12 on a horizontal line with a reference point of O. What is the positi...
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