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    cassika's Avatar
    cassika Posts: 2, Reputation: 1
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    #1

    Mar 31, 2008, 07:58 PM
    balancing and writeing word equations
    Write and balance the following word equations
    nitrogen + hydrogen = ammonia ( NH3)
    Barium chloride + magnesiun sulfate =barium sulfate + magnesium chloride
    confusedbuzz's Avatar
    confusedbuzz Posts: 14, Reputation: 2
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    #2

    Apr 3, 2008, 12:26 PM
    Quote Originally Posted by cassika
    Write and balance the following word equations
    nitrogen + hydrogen = ammonia ( NH3)
    Barium chloride + magnesiun sulfate =barium sulfate + magnesium chloride


    Well, basically when you have to write and balance equations , you have to know the chemical symbols for all elements involved and whether they occur as monoatomic (with only one atom) or diatomic (with 2 atoms) elements.

    Nitrogen + Hydrogen = Ammonia

    N2 + H2 - > Nh3

    To balance this , you need to first balance any one element in the equation ,ensuring both sides have equal number of the same elements. In this case , you should balance the hydrogen first:

    N2 + 3H2 - > 2NH3


    You will notice that:
    N2 = 2N
    3H2 = 2H3

    and therefore the equation is balanced.


    Try the next one yourself. Just remember to break everything down and once you get the hang of it, it will be simple.
    lala07's Avatar
    lala07 Posts: 2, Reputation: 1
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    #3

    Apr 15, 2008, 01:19 PM
    iron + sulfur = ferrous sulfide
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