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    What a terrible paper!!!!. No amount of revision I put in especially the last night would have been good enough. It was too tough beyond words. Any ideas what the grade boundaries might be?
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    And yes, the final temperature of the solution when the substance had dissolved in it was 284K.
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    (Original post by temi1234)
    I got 1:3 ratio for the last question
    Me too! :-)

    As anybody else get +905 for the Born Haber cycle at the start?
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    For the units of the frequency can you get away with putting s I didn't put s-1
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    What a terrible paper!!!!. No amount of revision I put in especially the last night would have been good enough. It was too tough beyond words. How did you all find it?
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    (Original post by Anshul91)
    For the units of the frequency can you get away with putting s I didn't put s-1
    No, the units are s^-1 (Hz) not s.
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    (Original post by Anshul91)
    I don't think anyone is confident enough to make one haha, shows how difficult it was!
    True, but if someone has a copy of the paper then that would be most useful.
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    (Original post by Anshul91)
    For the units of the frequency can you get away with putting s I didn't put s-1
    No, sorry.
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    (Original post by Cwestby)
    i think ive dropped about 9marks, will that be okay for an A*?

    Yes mate. That should be fine. I just wish I could say the same. The paper was a nightmare.
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    For the transition metal complexes questions, did people write ionic or overall equations?

    I wrote both for each reaction because it said write overall equations....
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    For the aldehyde question, I used hexaaquacobalt (II)and(III), will that be OK?
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    (Original post by mulac1)
    I remember equations involving 4Co2+ and 4Co3+...
    yes for the catalyst question
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    (Original post by Cwestby)
    i think ive dropped about 9marks, will that be okay for an A*?
    that's enough for 100%
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    (Original post by Simonthegreat)
    Yes mate. That should be fine. I just wish I could say the same. The paper was a nightmare.
    it was a lot more difficult than the past papers as i was getting 97ish on all of those
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    Meh, I think I've dropped about 15 marks. What grade would that be?
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    lol wtf was that
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    (Original post by Xiomara)
    For the aldehyde question, I used hexaaquacobalt (II)and(III), will that be OK?
    What was the aldehyde question?
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    PS Helper
    For the reaction demonstrating why MgO was a basic oxide, why was it worth two marks? I hazarded MgO + 2HCl --> MgCl2 + H20, but I'm not sure how it amounts to two marks when the (arguably harder) one with NaOH and P4O10 was only worth 1.


    Also, question 7 was probably the most tedious thing I've ever had to do in my life.
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    (Original post by cat-lover)
    Meh, I think I've dropped about 15 marks. What grade would that be?
    A*
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    I think it was quite good, most of the questions came up in the past papers just in a different context, hoping for around 80/100
 
 
 
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