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What is the energy of a photon of ultraviolet radiation with a frequency of 4.4 × 1015 hz? planck’s constant is 6.63 × 10–34
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He latent heat of vaporization for ethyl alcohol is 854 j/g. the amount of energy, rounded to the nearest whole number, needed to change 5.20 grams of ethyl alcohol from a liquid to a gas is
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Which statement best explains why the overall charge on an atom is zero?
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The runner had an initial vertical velocity of -0.7 m/s and an initial horizontal velocity of 3.6 m/...
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