10 - AP Chemistry Electrolytic Cells Brockport High School...

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AP Chemistry Brockport High School NY USA Electrolytic Cells Mr Keefer Introduction: Electrochemical cells can be divided into two main groups. Voltaic cells are capable of producing electric current. Electrolytic cells rely upon an external source of current to bring about a chemical reaction. Electroplating precious metals (gold, silver, or platinum) onto base metals is an example of this type of process. In this experiment copper will be plated on to an electrode using a battery as the external source of energy. The reaction will be timed, and the current passing through the cell will be measured using a multimeter or an ammeter. From the data collected, it will be possible to predict the mass of copper that should be deposited on one of the electrodes. This value will be compared with the value obtained from the experimental trial. The purpose of this experiment is to predict the mass of copper that is deposited on an electrode in an electrolytic cell. This value will be compared with the experimental value and the percent error will be calculated. Equipment/Materials
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This note was uploaded on 08/31/2010 for the course SCI 56-1120 taught by Professor Unni during the Spring '09 term at Columbia College.

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10 - AP Chemistry Electrolytic Cells Brockport High School...

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