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Instructions on how to make our microscale Hofmann voltameter.
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The electrolysis of water is becoming increasing more relevant as a means of providing hydrogen, which may be used as a fossil fuel supplement or replacement. The expensive, traditional apparatus, the..
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The directors update on changes to A Levels & GCSEs, accessing
CLEAPSS training - changing times, examining pressure cookers and
autoclaves, CLP June 2015 update, where do you keep your biolog..
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Brief risk assessment guidance and experimental notes for a range of practical activities involving sulfuric(VI) acid (Hazcard 98A), sulfamic acid and sulfate(VI) salts (Hazcard 98B).
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This video demonstrates the electrolysis of water using a home made microscale version of the Hofmann Voltameter. Instructions for making the voltameter can be found in the attached document.
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The reaction between hydrogen and oxygen produces lots of energy, and is over in less than a 0.01 s. It can be used to fire rockets. In this activity, students can make gas mixtures and fire rockets. ..
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Guidance on general topics including chromatography and electrophoresis, cryogenics, soldering and electrical connections, electrolysis, glass working, glues and adhesives, photography, using pupils a..
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Guidance on how to prepare magnesium sulfate(VI).
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Guidance on how to prepare sodium sulfate(VI) solutions. In addition to other uses, solutions of sodium sulfate(VI) can be used in various electrolysis activities.
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Various activities often need a 20 cm3 or 60 cm3 syringe full of gas. At CLEAPSS, gases such as oxygen, carbon dioxide and even hydrogen have been stored for many days in a syringe fitted with a cap.
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Showing results 1 to 10 of 18
