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***JC 2014 Science - Thu. June 12th 2014 - all levels***

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    #92
    i am awsome
    Registered Users Posts: 646 ✭✭✭i am awsome


    Well sh*t! Just realised I did a Bohr diagram of an oxygen element instead of molecule, coes I read the question wrong


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    #93
    Liordi
    Registered Users Posts: 2,226 ✭✭✭Liordi


    i am awsome wrote: »
    Well sh*t! Just realised I did a Bohr diagram of an oxygen element instead of molecule, coes I read the question wrong

    What's the difference? :eek:


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    #94
    emersyn
    Registered Users Posts: 430 ✭✭emersyn


    Liordi wrote: »
    What's the difference? :eek:

    The question said that oxygen molecules are made up of two oxygen atoms stuck together so I think we had to do two oxygen diagrams and sort of intertwine the edges


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    #95
    i am awsome
    Registered Users Posts: 646 ✭✭✭i am awsome


    ye, you were ment to draw two oxygen atoms in a covelant bond with 4 electrons sharing, and I knew that, but didn't read the questio, ughh, soo p*ssed, would you say I would get half marks?


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    #96
    Oisin4
    Registered Users Posts: 72 ✭✭Oisin4


    Did anyone else have to ask for extra paper?


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    #97
    Fifii
    Registered Users Posts: 73 ✭✭Fifii


    What did everyone say for the Antagonistic muscle question? I used X and Y in ny answer not biceps and triceps? Is that very wrong?:)


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    #98
    Liordi
    Registered Users Posts: 2,226 ✭✭✭Liordi


    Fifii wrote: »
    What did everyone say for the Antagonistic muscle question? I used X and Y in ny answer not biceps and triceps? Is that very wrong?:)

    Don't think it mattered.


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    #99
    Fifii
    Registered Users Posts: 73 ✭✭Fifii


    Liordi wrote: »
    Don't think it mattered.
    Yay!I just squished in at the bottom "biceps, triceps" for x contacts and y relaxes and vice versa for the second one:D


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    #100
    coolerboy
    Registered Users Posts: 589 ✭✭✭coolerboy


    What did people get for the calculations.
    a)the cuboid question
    b) the ferris question
    c)the work question


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    #101
    roisiny
    Registered Users Posts: 51 ✭✭roisiny


    i am awsome wrote: »
    ye, you were ment to draw two oxygen atoms in a covelant bond with 4 electrons sharing, and I knew that, but didn't read the questio, ughh, soo p*ssed, would you say I would get half marks?
    Hi sorry, would you be able to explain where you got this from (its right) I kinda presumed it would be 17 electrons, where does the amount of electrons in each molecule of oxygen come from, or was that meant to be common sense?


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    #102
    Liordi
    Registered Users Posts: 2,226 ✭✭✭Liordi


    roisiny wrote: »
    Hi sorry, would you be able to explain where you got this from (its right) I kinda presumed it would be 17 electrons, where does the amount of electrons in each molecule of oxygen come from, or was that meant to be common sense?

    Log Tables.


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    #103
    roisiny
    Registered Users Posts: 51 ✭✭roisiny


    Liordi wrote: »
    Log Tables.

    Ahh youre not serious, the amount of stuff I got out of there and I completely forgot about looking there for that q.
    Thanks for youre answer youre super helpful in these forums :)


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    #104
    pianoperson
    Registered Users Posts: 76 ✭✭pianoperson


    tedobrien98 wrote: »
    I did the ferris wheel ones by doing the circumference. Think it took about 94 minutes to get around. I was delighted with myself and thought it was a nice question that requires a bit of thought; I even put down "Well played, SEC" on it, complimenting those who set the exam... Having second thoughts now seeing what other people did. I was sure that was how to do it.

    I did the exact same, and I was talking to my teacher afterwards and he said that's how he would have done it..... Thought it was a nice too, you had to think...I'm weird okay :p


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    #105
    i am awsome
    Registered Users Posts: 646 ✭✭✭i am awsome


    pianoperson wrote: »
    I did the exact same, and I was talking to my teacher afterwards and he said that's how he would have done it..... Thought it was a nice too, you had to think...I'm weird okay :p

    You were ment to use the circumference, but the answer was 25.8minutes, that's what I and like 20 other people got.


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    #106
    pianoperson
    Registered Users Posts: 76 ✭✭pianoperson


    i am awsome wrote: »
    You were ment to use the circumference, but the answer was 25.8minutes, that's what I and like 20 other people got.

    No, I didn't mean the answer, I forget what I got tbh, just on about the method, as a lot of people seemed to use the diameter as opposed to circumference :)


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    #107
    i am awsome
    Registered Users Posts: 646 ✭✭✭i am awsome


    pianoperson wrote: »
    No, I didn't mean the answer, I forget what I got tbh, just on about the method, as a lot of people seemed to use the diameter as opposed to circumference :)

    But the question asked for a full rotation, therfore a rotation would be circumference, the diametre would be just the straight line distance, and I can confirm this as that's what a physics teacher told me after.


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    #108
    pianoperson
    Registered Users Posts: 76 ✭✭pianoperson


    i am awsome wrote: »
    But the question asked for a full rotation, therfore a rotation would be circumference, the diametre would be just the straight line distance, and I can confirm this as that's what a physics teacher told me after.

    Oh god, I'm not very good at saying what I mean. What I was trying to say, which everyone else has already established, is that you use the circumference of the circle, NOT the diameter. Just ignore me , I seem to be confuzzling everyone Haha


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    #109
    i am awsome
    Registered Users Posts: 646 ✭✭✭i am awsome


    pianoperson wrote: »
    Oh god, I'm not very good at saying what I mean. What I was trying to say, which everyone else has already established, is that you use the circumference of the circle, NOT the diameter. Just ignore me , I seem to be confuzzling everyone Haha

    No it's ok! :D Yes you and everyone who said so, is in fact right, you were ment to use the circumference.


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