lab report 4

lab report 4 - Kenny Anton Lab Partner, Matt Foster...

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Kenny Anton Lab Partner, Matt Foster February 20, 2005 Interaction of light and matter: Beers Law Summary: In this experiment we used different solutions with different concentrations and determined the effect of path length, and amount of light transmitted through the solution. In order to gather accurate readings, we used laser light because it is very monochromatic, or contains only a single wave length, versus normal light which has many different wavelengths. The laser we used has a wavelength of 675 nm, which is a bright red color. We then passed this light through (.03M copper sulfate, CuSO4), (.25M copper sulfate), and red food coloring. On the receiving side of the light we had a light sensor which was hooked up to a computer that recorded the intensity of the new light after it had passed through the concentration. Results: Part A: effect of path length Light Intensity (lux) # of cuvettes with . 03M CuSO4
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This lab report was uploaded on 03/26/2008 for the course CHEM 107 taught by Professor Lalwani during the Spring '08 term at TAMU Intl..

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lab report 4 - Kenny Anton Lab Partner, Matt Foster...

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