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If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?
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Chemistry, 22.06.2019 14:30
Connect the whole numbers on the periodic table to indicate what they represent?
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Chemistry, 22.06.2019 18:00
How does climate change cause the ocean's thermohaline current to slow down?
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