Electrolysis of water
Wall Art and Photo Gifts from Science Photo Library
Electrolysis of water
Electrolysis of water. Close-up of the top of a Hoffman Voltameter used to decompose molecules of water. A power supply (not seen) is used to pass an electric current through the water between two electrodes (not seen) at the bottom of the outer tubes. This splits the water into its constituent oxygen and hydrogen which bubble off as gases at the anode (positive electrode) and cathode (negative electrode) respectively. The gases can be collected at the top of the outer tubes
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Media ID 6308895
© TREVOR CLIFFORD PHOTOGRAPHY/SCIENCE PHOTO LIBRARY
Apparatus Bubbles Cathode Decomposing Demonstrating Demonstration Device Electrical Electricity Electrodes Electrolysing Electrolysis Electrolyte Experiment Glass Hydrogen Oxygen Reacting School Science Stand Tube Tubes Blue Background Hoffman Hoffmans Laboratory
EDITORS COMMENTS
This print captures the mesmerizing process of electrolysis of water. In a close-up shot, we are presented with the top section of a Hoffman Voltameter, an apparatus used to decompose molecules of water. Although unseen in the image, a power supply is employed to pass an electric current through the water between two electrodes located at the bottom of the outer tubes. As this electrical current flows through the water, something extraordinary happens - it splits into its constituent elements: oxygen and hydrogen. The gases then bubble off as visible streams at their respective electrodes – oxygen at the anode (positive electrode) and hydrogen at the cathode (negative electrode). To our amazement, these gases can be collected at the top section of these outer tubes. The blue background adds a sense of tranquility to this scientific spectacle while emphasizing its laboratory setting. This photograph not only showcases intricate glasswork but also highlights how electricity and chemistry intertwine in fascinating ways. With its attention to detail and vibrant display, this image serves as a powerful tool for educational purposes. It provides students and enthusiasts alike with a visual representation that brings concepts such as electrolysis, chemical reactions, and gas formation to life. Science Photo Library has once again captured both beauty and knowledge within one frame.
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