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The harp-life of silicone 32 is 100 years. how much of a 120 g sample will remain after 300 years?
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Determine the wavelength of the light absorbed when an electron in a hydrogen atom makes a transition from an orbital in the n=3 level to an orbital in the n=7 level.
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Achemist has dissolved a certain substance in water. the chemist knows that more of the substance could be dissolved into the water before it stops dissolving. therefore
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The independent variable in an experiment will be the variable that you o a) change ob) hold constant ng c) observe for changes
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The harp-life of silicone 32 is 100 years. how much of a 120 g sample will remain after 300 years?...
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