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Chemistry, 22.06.2019 22:30
Rank the four gases (air, exhaled air, gas produced from from decomposition of h2o2, gas from decomposition of nahco3) in order of increasing concentration of co2
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Chemistry, 23.06.2019 01:30
If a particle has z = 25 and 23 electrons, what is its charge?
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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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What does the text indicate about the relationship between distance and gravitational force?...
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