Lab Report Exp12

Lab Report Exp12 - Ryan Cohen 3/1/09 Thermodynamics of...

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Ryan Cohen 3/1/09 Thermodynamics of Electrochemical Cells The purpose of this lab was to explore the thermodynamic effects of temperature and concentration on a galvanic cell model. The first part of the lab demonstrated the dependence of cell potential on temperature by measuring the change in voltage with variable temperature in a galvanic cell. The second part of the lab demonstrated the effect of concentration on cell potential and introduced the Nernst equation as a technique for calculating cell potential in a galvanic cell. The first part of the lab demonstrated the effects of temperature on cell potential by measuring the cell potential under variable temperature, in a galvanic cell. A galvanic cell consisting of copper and lead electrodes was used for the experiment. The cell was put in a bath of water at different temperatures, while the voltage was recorded. By plotting the voltage vs. the temperature, thermodynamic attributes such as standard free energy,
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Lab Report Exp12 - Ryan Cohen 3/1/09 Thermodynamics of...

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