Chem lab 8 - Joseph Brennan Zachary Peirce Alec Lebris Chem...

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Joseph Brennan Zachary Peirce Alec Lebris Chem 102- Section 0026 Investigation of Emission Properties 11/9/2007 Purpose: The purpose of this experiment was to study where light comes from and to describe its properties. To do this we lit different chemicals on fire and studied how they burnt. We then used the Emission Spectra and Quantum Theory to study the effects of the experiment.
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Procedure: To Start off the experiment we preformed a flame test on known metals. To do this we put 2 mL’s of HNO3 into a test tube. Then we added 15 drops of each of the 5 chemicals into a well plate in different spots. Next we took a wire loop and dipped it into the HNO3 and put it into the flame until no color we seen in the flame. Then we dipped the wire loop into one of the chemicals in the well tray and placed it into the flame and recorded the color of the flame. After this we used the visible spectrum chart in the lab to estimate the wave length. Then we cleaned the wire with the HNO3 and repeated this part of the experiment with the other 4 chemicals. In the second part of the experiment we tested the effectiveness of anions on a flame. To start this off we first put 15 drops of each anion into a separate part of the well try and recorded which was which. We then repeated the flame test portion of part 1 and recorded the colors of each anion in our lab
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This note was uploaded on 04/30/2008 for the course CHM 102 taught by Professor Gradstudent during the Fall '06 term at Rhode Island.

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Chem lab 8 - Joseph Brennan Zachary Peirce Alec Lebris Chem...

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