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    EmmBuzz002's Avatar
    EmmBuzz002 Posts: 1, Reputation: 1
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    #1

    Oct 11, 2011, 08:10 AM
    Difference between red hot and white hot
    I have to do it for chemistry homework and I don't know the difference
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    Oct 11, 2011, 09:15 AM
    Have you ever seen something glowing red or white when it is hot?

    This would give you an indication, but then there's a theory for that too.

    Planck's law - Wikipedia, the free encyclopedia

    As you can see in the graph, as the temperature gets higher, the wavelength gets shorter (on the horizontal axis) and in the electromagnetic spectrum, red is among the them waves with long wavelengths.

    As more energy is given off, the wavelength decreases (you start getting orange, yellow, green, blue, etc) which mix to get white.

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