DiazJ_Exp3

DiazJ_Exp3 - Experiment 3: Conservation of Copper 9-21-11...

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Experiment 3: Conservation of Copper 9-21-11 Joel Diaz 9-29-11 Chemistry 1045L-25 Ryan Riskowski
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Purpose The purpose of this experiment is to demonstrate the Law of Conservation of Mass-Energy. It does so by creating a chemical reaction by adding zinc metal to a copper sulfate solution and recording the mass of both, before and after the reaction. According to the Law of Conservation of Mass-Energy, after the chemical reaction occurs between the copper sulfate solution and the zinc metal, the total mass before the reaction should be equal to the total mass after the reaction. Procedure 1.56 g of CuSO4 was calculated before the lab in order to create the copper sulfate solution. When making the copper sulfate solution, the CuSO4 was directly poured into the side-arm flask containing the HCl. A 50-mL side arm-flask and 4 pieces of solid zinc metal were collected and weighed for the second part of the experiment. A
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This note was uploaded on 04/05/2012 for the course CHM 1045 taught by Professor Bush during the Fall '08 term at FSU.

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DiazJ_Exp3 - Experiment 3: Conservation of Copper 9-21-11...

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