Line Spectra Lab

Line Spectra Lab - Drew Rasmussen Katri Truhler Chemistry...

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Drew Rasmussen Katri Truhler Chemistry 111L – 015 December 9, 2010 Spectroscope/Line Spectra Lab Report A. Research Questions: a. What is the wavelength of the most prominent spectral line in each emission spectrum for three different elements? b. How do the calculated theoretical energy values for the hydrogen emission lines compare to the experimental energy calculations found by observation? B. Observations and Results: a. The spectroscope used for this experiment is a little black triangular box. By looking in the smaller side and having the light lined up with a slit on the other side you can see the wavelength the different lights produce. b. In the Mercury Light we observed violet light at 4.4nm, green at 5.7nm long, and yellow at 6.0nm. In the Hydrogen light violet was observed at 4.4nm, blue at 5.0nm, green at 5.6nm, and red at 7.0nm. In the incandescent light a full spectrum rainbow was observed. In the overhead light violet was observed at 4.4nm, blue at 5.0nm, green at 5.6nm, and red at 6.4nm. In the Krypton light violet was seen at 4.9nm, green at 5.8nm, orange at 6.1nm, and red at 6.4nm.
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Table 1. Colors observed, wavelengths, and scale readings for different gases.
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Line Spectra Lab - Drew Rasmussen Katri Truhler Chemistry...

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