Chemistry, 16.04.2021 17:00 trintrin227
Calculate the energy of a photon with a wavelength of 689.9 nm.
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This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.
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Asample of hydrated tin (ii) chloride (sncl2) has a mass of 4.90 g. when it is dehydrated, it has a mass of 4.10 g. which is the correct chemical formula for the hydrate? sncl2•2h2o sncl2•4h2o sncl2•6h2o
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Calculate the energy of a photon with a wavelength of 689.9 nm....
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