exp6_prelab

exp6_prelab - Experiment 6 Spectroscopy Laboratory Goals To...

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Experiment 6 Spectroscopy
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Laboratory Goals To understand the relationships between wavelength, frequency, and energy of electromagnetic radiation To measure the energies of the photons emitted or absorbed by gases To use this spectral information to determine the energy levels of gaseous atoms
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Background: Electromagnetic Radiation Visible light is only a small portion of the electromagnetic spectrum
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The wavelength, frequency, and energy of a color are related. The wavelength and frequency are related by the speed of electromagnetic radiation, c= 3.00 x 10 8 m/s c = λν where λ≡ wavelength (m) and ν≡ frequency (s -1 ) The energy, E, associated with a particular frequency can be calculated using Planck’s constant (h = 6.63 x 10 -34 J•s) E = h ν
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Sunlight (white light) contains all wavelengths of visible light. In other words, it gives a continuous spectrum , observed as a rainbow. Incandescent solids, liquids, and high pressure gases also
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This note was uploaded on 03/22/2008 for the course CHEM 112 taught by Professor Bilts during the Spring '08 term at Linn Tech.

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exp6_prelab - Experiment 6 Spectroscopy Laboratory Goals To...

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