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    FutureCSI's Avatar
    FutureCSI Posts: 34, Reputation: 1
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    #1

    Apr 13, 2009, 12:31 PM
    Balancing equation and identify it's reaction
    Li3N(s) ---> Li(s) + N2(g)

    Mg(s) + N2(g) ---> Mg3N2(s)

    Al(s) + HCl(aq) ---> AlCl3(aq) + H2g)

    :D

    Thanks in advance
    Perito's Avatar
    Perito Posts: 3,139, Reputation: 150
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    #2

    Apr 13, 2009, 01:47 PM






    These were extremely easy, Did you try to figure them out?
    FutureCSI's Avatar
    FutureCSI Posts: 34, Reputation: 1
    Junior Member
    		  
    #3

    Apr 13, 2009, 01:49 PM

    I did, maybe next time I should post with my answer lol.. I did them but wanted to make sure they were right. I am self teaching myself all of this and don't have an aswer key

    Sorry about it..
    BTW thank so much for taking the time to answer this..
    I appreciate it
    Perito's Avatar
    Perito Posts: 3,139, Reputation: 150
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    #4

    Apr 13, 2009, 01:52 PM

    You can multiply two of the equations by 2 to get small whole numbers. Molecules typically react this way (with small whole numbers). The reason for this is that typically molecules have to collide to react -- especially in the gas phase. The more molecules have to collide to react, the less likely the reaction is to proceed.
    FutureCSI's Avatar
    FutureCSI Posts: 34, Reputation: 1
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    #5

    Apr 13, 2009, 01:55 PM

    Awsome! You are of great help to all of us!
    Thank you
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