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  1. D

    How was 9701_w15_qp_22 ?

    It wasn't either. 2-bromopropane is a secondary halogenoalkane, which makes it hard for us to predict whether it's SN1 or SN2. Simply calling it Nucleophilic Substitution was sufficient. It was Dehydration, for some compound to be transformed into Y.
  2. D

    How was 9709_w15_qp_22

    I doubt it will be that low. 50 for a B maybe, but minimum 55 for an A. If it follows the trend of previous years, then it will be 59-62. CIE ain't kind, they like fu***ng with us xD
  3. D

    How was 9709_w15_qp_22

    Yeah, S1 on Friday. Although, I've never gotten higher than 42/50 in that. WHO VOTED "EASY"?! AHHHHHHHHHHHHHHHH!!!!!!!!!!!!!!!!!!!!!!!!
  4. D

    How was 9709_w15_qp_22

    I would give up my left arm for an A. (Just kidding. Please don't take my arm. I would love an A though).
  5. D

    How was 9709_w15_qp_22

    NO CLUE! HAHAHAHAHAHA XD I have never been happier for admitting my failures.
  6. D

    How was 9709_w15_qp_22

    I didn't xD
  7. D

    How was 9709_w15_qp_22

    That was a real pain.
  8. D

    How was 9709_w15_qp_22

    3 i)? No I didn't.
  9. D

    How was 9709_w15_qp_22

    I got 16pi. Please, no more discussion :crying:
  10. D

    How was 9709_w15_qp_22

    Yes. Make x the subject of the equation, then use the volume of revolution equation, only this time, you have to integrate x with respect to y.
  11. D

    How was 9709_w15_qp_22

    You're making me relive a nightmare :cry: You had to show that AP's midpoint was B. AP was a normal to the curve. Differentiate y = (9 - 2x^2)^1/2, then substitute x for 2. That's your gradient of the curve. Then use m1m2 = -1 to find the normal's gradient. Once you do that, use y-y1=m(x-x1) to...
  12. D

    How was 9709_w15_qp_22

    I found it hard as well. What makes me mad is that this pattern was insanely different from anything I practised. I couldn't do 3 i), mostly because I hate geometry. Agh. I couldn't finish 4 i) either, that was the identity I failed to prove :( 7 i) was a b****, couldn't even think of how to do...
  13. D

    Anyone giving AS Physics Practical variant 34 on 15 October?

    Me.
  14. D

    Chem As Syllabus changed?

    No, it won't effect Oct/Nov 2015.
  15. D

    June 2015 Chemistry Pastpapers

    Check the Papers section of this website.
  16. D

    How long does it take to complete the S2 syllabus?

    Thank you! Great analogy.
  17. D

    How long does it take to complete the S2 syllabus?

    Okay, thanks. I guess I'll have to finish 2-3 topics a month. Do you happen to know which topics are the easiest in S2? I know this varies, but which ones are the easiest in your opinion?
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