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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, 23.06.2019 03:00
Describe the properties of sodium, chlorine, and sodium chloride
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Chemistry, 23.06.2019 04:20
Calculate the mass of 0.750 mol of the following substance. na3po4.
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From the reaction: 2Fe + O2>2FeO. Find the mass of iron oxide produced
from 12 moles of iron. *<...
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