Chemistry, 06.05.2020 02:01 mildred3645
An emission line of sodium has a wavelength of 330 nm. Calculate the energy of a photon of light emitted in J/ atom, and the energy emitted per mole of Na atoms at this wavelength.
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Which liquid (h2o, h2o + soap, or h2o + salt) has the strongest cohesion and adhesion? (need now plz)
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What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.
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An emission line of sodium has a wavelength of 330 nm. Calculate the energy of a photon of light emi...
Mathematics, 03.05.2021 19:50
Mathematics, 03.05.2021 19:50