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  • May 11, 2009, 04:23 AM
    saketh
    chemical equation
    :mad:madyou fools mentals can't you tell a VII class question answer you waste fellow useless donkeys I am asking the last time how to predict the products of a chemical equation if the reactants are given
  • May 11, 2009, 05:49 AM
    Unknown008

    What do you mean Saketh?

    There are lots of possible reactions, some of them have a general equation, but the others are tricky. One cannot easily tell what are the products from a given sample of reactants unless the reaction is done in the lab and the products analysed, one already knows the reaction.

    You have the
    -Metal plus acid, basic one

    Metal + Acid -> Metal Salt + Hydrogen Gas

    -Burning of metals

    Metal + Oxygen -> Metal Oxide

    -Metal oxide and acid

    Metal oxide + acid -> Metal Salt + Water

    -Metal Carbonate and acid

    Metal Carbonate + Acid -> Metal Salt + Carbon Dioxide + Water

    -Decomposition of metal carbonate through heat

    Metal Carbonate -> Metal oxide + carbon dioxide

    amongst others. Of course, there are exceptions to the general equations, like the reaction of Copper and Hydrochloric acid

    C + HCl -> No reaction

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