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  1. H

    How was 9701_w15_qp_22 ?

    The reaction for propan-2-amine to propanoic acid on the second last page, what did you guys say for that?
  2. H

    Chemistry: Post your doubts here!

    Were we supposed to specify under standard conditions/states when they asked for enthalpy change of reaction? Because they didn't say STANDARD enthalpy change of reaction And what did you guys say for electronegativity definition? Note: why would they expect us to say propanoic acid for...
  3. H

    Mathematics: Post your doubts here!

    Can someone explain to m in M1 paper 4, in work energy and power, why sometimes we consider Fv (mav) when calculating power or driving force with acceleration and sometimes we don't. An example where it is not considered is MJ 2014 pp43 Q5(ii). Whereas in ON 2012 pp42, there is a question where...
  4. H

    0606 ADDITIONAL MATHS P2 SUCKED BIG TIME!

    One of my friends did that, I think it's correct. I got 4 answers as well, but I didn't substitute it that way...do you think I'll still get marks for my answers?
  5. H

    0606 ADDITIONAL MATHS P2 SUCKED BIG TIME!

    Yea I did, it was sec(x)coesc(x) - cot(x) = tan(x)
  6. H

    0606 ADDITIONAL MATHS P2 SUCKED BIG TIME!

    I know what you mean! It was a horrible paper, All my friends even said that they hated it big time! That surds question sucked, I don't think I got many marks for it either. But there was also that trig questions that said "using part (a), solve sec(x)cosex(x) = 3cot(x)" I didn't know how to...
  7. H

    Nov 2014 math 22

    I don't remember that question, Was is the one where they asked you the point on a line when y=6 or something like that?
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