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    CutenessAreej's Avatar
    CutenessAreej Posts: 4, Reputation: 1
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    #1

    Nov 4, 2010, 10:08 AM
    CO2 H2O Cr2H7O9
    *** what is the answer of this equation
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    Nov 4, 2010, 10:19 AM

    But... what is the question? :confused:
    CutenessAreej's Avatar
    CutenessAreej Posts: 4, Reputation: 1
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    #3

    Nov 4, 2010, 10:24 AM
    solve this equation
    CO2 + H2O + Cr2H7O9 = ?
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #4

    Nov 4, 2010, 10:36 AM

    Are you sure that exist?

    In this compound, the oxidation states of H and O must be +1 and -2 respectively, giving +7-18 = -11

    Which also means that Cr must have an oxidation state of 11/2 = +5.5 which I don't think is possible... unless you mean:



    But there is not the same number of H atoms...

    And also, the chromate ion is an oxidant. Neither carbon dioxide and water can be oxidised as far as I know. So, I guess there will be no reaction.
    CutenessAreej's Avatar
    CutenessAreej Posts: 4, Reputation: 1
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    #5

    Nov 4, 2010, 10:44 AM
    Thank youuuuuuuuuuuuu a lot for your wonderful info ^^!.
    my doctor has just sent me a message that it's a wrong equation.. =]
    thanks again =]]
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #6

    Nov 4, 2010, 10:52 AM

    Uh... that was for medication? 0.o
    CutenessAreej's Avatar
    CutenessAreej Posts: 4, Reputation: 1
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    #7

    Nov 4, 2010, 11:09 AM
    Comment on Unknown008's post
    Yupii..
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