Editing Lab - Observation Of Chemical Reaction
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<b>Chemical Reaction:</b><br> <br> <b>Procedure</b><br> <br> 1. Obtain a 100.ml beaker, glass stirring rod and thermometer.<br> 2. Using scale on side of beaker add 40.ml of DI water to beaker. 2. Using a chemical transfer piece of paper (non-ink side up), obtain one teaspoon (just a level amount) of copper (II) chloride solid.<br> 3. Record observations of the solid.<br> 4. Place the solid in the water (do not stir). Record observations.<br> 5. Dissolve solid by stirring. (glass rod will not have chemical on it so does not touch bench top). Record observations.<br> 6. Using a thermometer, record the temperature.<br> 7. Obtain a piece of aluminum foil (Al solid) and put in a loose ball (not tight!!!)<br> 8. Add the Al foil to the solution and use a glass stirring rod to help Al and solution interact.<br> 9. Record the temperature during the chemical reaction.<br> 10. Make filtering apparatus with funnel, flask and filter paper.<br> 11. Filter the material in the beaker.<br> 12. Record observation of the filtrate and filtrant.<br> 13. After observing pour the filtrate down the sink and put the filter paper and filtrant in the "special bucket".<br> <br> <b>Data Table</b><br> <br> <br> <br> <br> <b>Questions</b><br> <br> 1. Which step in the lab were physical changes and which were chemical reactions?<br> <br> <br> 2. Which observation was a quantitative observation of a chemical reaction?<br> <Br> <br> 3. What did you think happened in the second part of the lab (i.e. your interpretation)?<br> <br> <br> <br> <br>
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