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The later can vary from nearly zero to the energy of

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Unformatted text preview: ater can vary from nearly zero to the energy of the excited molecule. Consequently, the photon energy can vary continuously over the same range and the emission spectrum is a continuum. 17. IR photons do not have sufficient energy to cause photoemission from the cathode of a photomultiplier. 18. The iodine prolongs the life of the lamp and permits it to operate at a higher temperature. The iodine combines with gaseous tungsten that sublimes from the filament and causes the metal to be redeposited, thus adding to the life of the lamp. Homework...
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This document was uploaded on 03/06/2014 for the course CHEM 422 at CSU Northridge.

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