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    shosho2010's Avatar
    shosho2010 Posts: 1, Reputation: 1
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    #1

    Oct 14, 2009, 05:52 PM
    Balancing and predicting the equation
    I'm not sure how to do these problems I tried them but they don't look right. Please help, I have to balance and predict the product.
    Na+FeBr3 =
    NaOH+H2SO4 =
    C2H4O2+O2 =
    KMnO4+ZnCl2
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    Oct 15, 2009, 12:09 AM

    Remember that:

    1. A more reactive metal displaces a less reactive metal. The salt of the more reactive metal is formed and the less reactive metal is deposited in its metal state.

    2. When an acid reacts with an alkali, a salt (from the acid and alkali) is formed, together with water.

    3. On burning a hydrocarbon in excess oxygen, carbon dioxide and water are always the final products.

    4. Well, I'm sorry, I have never came across such a reaction. The potassium manganate (VII) suggests a redox reaction, but I don't think there will be any reaction. Perhaps displacement, but here again, I don't know if zinc manganate is soluble or not. So, I would have said that there is no reaction.
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