AP Chemistry Kit 16 - Electrochemical Cells
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AP Chemistry Kit 16 - Electrochemical Cells Info:
Aldon® Innovating Science™ AP Chemistry kits offer cutting-edge science for the classroom! This kit helps science teachers teach science without the need for a lot of laboratory preparation. Enough materials for 15 setups. Includes teacher’s and student’s guides. Grades 9-12.
The tendency of oxidation-reduction reactions is to proceed to an equilibrium state. These reactions occurring in electrochemical cells provide another way to express the driving force in chemical reactions. When reagents that accept or donate electrons are arranged so that the electrons can enter or leave the reaction through a metallic conductor, an electrochemical cell is established. A half-cell contains a metal in contact with a solution of its salt. Each metal will develop a different electrical potential based on its electron configuration. The standard reduction potential listed in various references is the voltage that a half-cell develops when combined with a hydrogen half-cell.
First, construct a simple chemical battery and determine from the standard reduction potentials what the output of the battery will be (if a volt meter is available, the actual and theoretical voltages can be compared). Second, construct an electrolysis cell and demonstrate how hydrogen and oxygen can be produced from the electrolysis of water.
Kit includes:
• 2 x 500 ml - Cupric sulfate 0.5M solution
• 1 x 25 ml - Bromothymol blue 0.04% solution
• 8 x 500 ml - Sodium sulfate 1M solution
• Pkg. of 15 - Copper Metal strips
• Pkg. of 15 - Magnesium Metal strips 5" UN1869
• Pkg. of 15 - Dialysis Tubing strips 6"
