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Principle
In this experiment, the voltage is measured on a voltaic cell (zinc/copper in sulfuric acid). Zinc oxidizes and releases electrons, which flow to the copper, where protons are reduced to hydrogen; the sulfuric acid enables the flow of ions and the equalization of charges.
Tasks
- Build a voltaic cell.
- Measure the voltage at the cell.
- Create a short circuit between the electrodes and observe the hydrogen evolution.
Learning objective
Students learn how electric current can be generated using a galvanic cell, thus gaining an introduction to electrochemistry.
Benefits
- No additional cable connections between the components are necessary – clearer and faster setup
- Future-oriented teaching: Integration of sensors (Cobra SMARTsense) into digital science lessons
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Article no.
Quantity
Article no:
12901-02
1
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File type
Digital learning
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