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

    Apr 14, 2009, 06:34 PM
    Identify the type of chemical reaction
    What is the type of chemical reaction represented by the following chemical equation?
    FeO3(s)+2Al(s)=2Fe(l)+Al2O3(s)
    Perito's Avatar
    Perito Posts: 3,139, Reputation: 150
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    #2

    Apr 14, 2009, 08:18 PM

    Aluminum goes from an oxidation state of 0 (all metals are in 0 oxidation states) to +3. It, therefore, loses electrons (it's oxidized). Iron goes from +3 to 0. It, therefore, gains electrons (it's reduced).

    This is an oxidation-reduction (redox) reaction.

    This is actually a famous reaction that is used to cut steel or weld steel. It's called the "thermite" reaction.

    http://en.wikipedia.org/wiki/Thermite

    Note: Ferric oxide (Iron(III) oxide) is
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #3

    Apr 15, 2009, 12:44 AM

    Quote Originally Posted by Perito
    This is actually a famous reaction that is used to cut steel or weld steel. It's called the "thermite" reaction.

    Note: Ferric oxide (Iron(III) oxide) is
    I was introduced to the thermite reaction with its use to remove rust from railways... now, thanks to you, I can find other uses! :)

    = also more commonly called Rust.
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