Measuring and comparing the voltages of various half-cells leads Principle The combination of various half-cells to galvanic cells results in differing direct voltages. Consideration of these differences in voltages leads to the arrangement of the metals in a certain succession to an electrochemical (or electromotive) series.
4 Different half-cells (zinc/zinc sulphate solution, copper/copper sulphate solution, lead/lead nitrate solution and silver/silver nitrate solution) are to be prepared and paired in various combinations to galvanic cells. The direct voltages which are thereby measured are to be used to arrange the metals in a certain succession. What can you learn about - Combination of half-cells to a galvanic element
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- Experiment is part of a complete solution set with experiments for the topic Electrochemistry matched with international curriculum: all topics are covered
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PHYWE Digital multimeter, 600V AC/DC, 10A AC/DC, 20 MΩ, 200 µF, 20 kHz, −20°C…760°C
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07122-00
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1
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Connecting cord, 2 mm-plug, 5A, 500 mm, red
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07356-01
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1
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Connecting cord, 2 mm-plug, 5A, 500 mm, blue
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07356-04
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1
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Reducing plug 4mm/2mm socket, 2
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11620-27
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1
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Alligator clip, insulated, 2 mm socket, 2 pcs.
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07275-00
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1
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Set Strip electrode (Al, Fe, Pb, Zn, Cu)
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07856-00
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2
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Emery paper, medium
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01605-00
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1
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Silver foil, 150 x150 x 0.1 mm, 25g
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31839-04
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1
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Beakers, Boro, high form, various sizes
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46025-00
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4
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Dropping bottle,plastic,50ml
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33920-00
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1
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Block with 8 holes, d = 40 mm
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37682-00
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1
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Coverage f.cell-meas.bloc,8 piec.
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37683-00
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1
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