Chemistry Experiment

Topics: Chemical reaction, Hydrogen chloride, Sodium Pages: 2 (613 words) Published: August 22, 2013
The members in our group were Whitney, myself, and Charlotte. The title of this lab was “reaction types.” The purpose of this lab was to identify the reaction type, balance equations, and observe the reactions .Our hypothesis was if there was many stations with fire, then they’re would be many combustion reactions. The procedure of the first lab was to place a solid piece of magnesium metal in the bottom of the smallest tube. Place this test tube in the test tube holder. Using tongs pick up the large test tube and have it turned upside down, ready for the reaction. Place 6 drops of HCL into the small test tube with the metal. Immediately cap with the largest test tube and hold there until bobbling stops. Have another group member light a splint with the match and then blow it out. Quickly lift the test tube and put the glowing splint into the tube. Record observations and answer the lab questions. For cleanup, place splints in the dish with water. Dump your products into the evaporating dish at the station. Rinse the small test tube with water and return all items as you found them. The materials included the tongs, large test tube, small test tube, evaporating dish, and blow torch. The data we found was that it turned blue after a period of time. The reaction was CoN- OH. The second station was very interesting. The procedure was to place 3 small drops of cobalt nitrate into a test tube in the rack. Place 6 drops of sodium hydroxide in the second test tube. Pour test tube into test tube one. Record the results. Dump the contents of the first tube into the filter funnel that has already been set up for you. Rinse both tubes and return to the test tube holder. Leave all items as you found them at your station. The data we recorded was that bubbles formed on pencil led, and one of the batteries anodes turned slightly yellow. The reaction was H20- 2H (g) + O2. The next station was at number four. The procedure was to hook one mechanical pencil lead to each of the...
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