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  1. Copper Penny with Concentrated Nitric Acid

    Director
    Jerrold J. Jacobsen
    Producer
    James H. Maynard
    Subject
    Chemistry

    The reaction of a copper penny and concentrated nitric acid (15 M) is shown. Red-brown nitrogen dioxide is generated and some of the copper dissolves to form a blue solution of copper(II) nitrate. [2 minutes]

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  2. Alchemy? Chemistry and Industrial Processes for Schools and Colleges (2008)

    Subject
    Chemistry

    This project started life as a multimedia CD-ROM and is now available on-line. Aimed at both 11-16 science and post-16 chemistry students and teachers, ALCHEMY? is built around 15 video clips, each lasting...

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  3. Tantalum Pentoxide (2014)

    Subject
    Chemistry

    Podcast in which Lars Öhrström reveals the hidden chemistry inside modern mobile phones and the reason why current models are so much slimmer than the brick-sized models from the 1980s. Tantalum Pentoxide...

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  4. Acidity of Aqueous Carbon Dioxide

    Subject
    Chemistry

    Video demonstrating chemical reaction when carbon dioxide is placed in water. A lump of solid carbon dioxide is placed in water containing a few drops of universal indicator. The indicator changes to an acid...

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