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    Pasamabhishek's Avatar
    Pasamabhishek Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Sep 18, 2007, 07:18 PM
    Chemistry Equation Balancing
    I am Class Vii student need help in equation balancing

    H2+O2=H2O
    CaCo3=CaO+Co2
    Zn+Hcl=Zncl2+H2
    H2O=H2+O2
    Na+cl2=NACL

    please tell me if these equation balacing is correct
    Capuchin's Avatar
    Capuchin Posts: 5,255, Reputation: 656
    Uber Member
    		  
    #2

    Sep 18, 2007, 11:47 PM
    wrong
    might be correct but check what your capital letters are.
    wrong
    wrong
    wrong

    you need to check that you have the same amounts of each element on each side of the equation.
    larissadenc's Avatar
    larissadenc Posts: 1, Reputation: 1
    New Member
    		  
    #3

    Sep 22, 2007, 11:37 AM
    Hi I'm LC and I need serious help with balancing equations. Can someone please assist me

    A. H3PO4+Ca(OH) -> Ca3(PO4)2 +H2O

    B. KI+Pb(NO3)2 ->KNO3+PbI2
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