Chemistry, 16.10.2020 19:01 NeemIsGreen
What is the frequency of a photon of light (in Hz) that has an energy of 2.50 x 10-18 J?
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Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?
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Which of these conditions most likely produces an unstable isotope?
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Why do the strengths of london (dispersion) forces generally increase with increasing molecular size? choose one: a. heavier atoms have stronger attractions for each other than lighter atoms. b. dispersion forces are all equal in magnitude; there is no size dependence. c. dispersion forces arise from the attraction between the nuclei of atoms, and larger molecules have larger nuclei. d. dispersion forces arise from dipoles caused by the electron distribution being distorted. larger molecules have more electrons and, therefore, more distortions and a bigger force. e. dispersion forces depend on distance. larger molecules are farther apart and so the forces are smaller.
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What is the frequency of a photon of light (in Hz) that has an energy of 2.50 x 10-18 J?...
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