Calculate the frequency of a photon emitted
Calculate the frequency of a photon emitted when an electronof a hydrogen atom drops from energy level n=5 to n=3.
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A 33 g ice cube at its melting point isdropped into an insulated container of liquid nitrogen. How much nitrogen evaporates if it is at its boiling point of 77 K and has alatent heat of vaporization of 200 kJ/kg?
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