File:Electrolysis.svg
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Summary
DescriptionElectrolysis.svg |
English: Simple setup for demonstration of electrolysis of water at home.
You will need:
After you connect everything, bubbles will form at the tips of pencils immediately. Oxygen gas bubbles (O2) will form at + electrode named anode. Hydrogen gas bubbles H2 will form at - electrode named cathode. The amount will be twice the amount of O2. Pure water is an insulator and the electrolysis may proceed too slowly. Some will say Sulfuric acid or NaSo4 is better, but those are not readily available outside labs. Sulfuric acid is also dangerous to handle. Table salt will suffice for the purpose of this demonstration. Using NaCl as an electrolyte results in some impurity in the form of chlorine gas at anode but that should not be important for the purpose of this demo. Some things to vary:
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Date | |||
Source | Own work | ||
Author | Nevit Dilmen (talk) | ||
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I, the copyright holder of this work, hereby publish it under the following licenses: This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. Attribution: © Nevit Dilmen
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Annotations InfoField | This image is annotated: View the annotations at Commons |
Either 9 volt battery or 9-12 V DC adapter.
A glass of water
Pencil sharpened at both ends, used as cathode
Pencil sharpened at both ends, used as anode.
Hydrogen gas bubbles H2 will form at - electrode named cathode. The amount will be twice the amount of O2.
Oxygen gas bubbles (O2) will form at + electrode named anode.
Items portrayed in this file
depicts
July 2010
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 10:00, 7 March 2015 | 976 × 937 (42 KB) | Goran tek-en | 0(zero) to O (capital O) | |
09:48, 20 August 2011 | 976 × 937 (50 KB) | Nevit | border | ||
09:27, 20 August 2011 | 872 × 819 (46 KB) | Nevit | txt 2 path | ||
09:25, 20 August 2011 | 872 × 819 (32 KB) | Nevit | fixes | ||
19:48, 20 July 2010 | 872 × 819 (32 KB) | Nevit | {{Information |Description=Basic setup for demonstration of electrolysis of water at home. |Source={{own}} |Date=2010 07 |Author=Nevit |Permission= |other_versions= }} Category:Electrolysis Category:Nevit Dilmen SVG |
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Height | 936.5 |