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  1. KurayamiKimmi

    Chemistry: Post your doubts here!

    can anyone pretty please help me with mass spectrometry questions ^_^? http://www.xtremepapers.com/papers/CIE/Cambridge International A and AS Level/Chemistry (9701)/9701_s06_qp_1.pdf answer question number 2 please :LOL:
  2. KurayamiKimmi

    Chemistry: Post your doubts here!

    see for Haber's process the equation is N2+3H2=2NH3 and the forward reaction is exothermic.So the factors that increase the yield of ammonia are HIGH pressure and LOW teperature so a temperature of 400 C will give you a better yield of ammonia than 500 C so the answer is not B and C and we are...
  3. KurayamiKimmi

    Calculator not allowed ??

    so i just got to know that CIE has regulations related to calculators(lyk their procedures weren't stri gent enuf b4 =_=) and i was thinking whther the fx991ESCasiowas banned or not ? oh and i dont take maths so shouldnt i be able to use it ??=p thanks for any help ^_^
  4. KurayamiKimmi

    Chemistry: Post your doubts here!

    Hey i have a doubt related to "Hess's Law calculations" I always get confused what equation's enthalpy change to minus and what to plus - so can anyone please explain Hess's Law calculations ? ^^
  5. KurayamiKimmi

    BAN MUSIC CAMPAIGN - For Muslim brothers and sisters

    so in short -as long as the lyrics are clean -its fine to listen to it ? =s
  6. KurayamiKimmi

    Physics: Post your doubts here!

    http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_w02_ms_2.pdf can anyone pretty please explain parts b and c of question 3 ??^_^
  7. KurayamiKimmi

    Physics: Post your doubts here!

    ooh ! i ooh...i get it !! thanks a lot!! ^_^
  8. KurayamiKimmi

    Physics: Post your doubts here!

    okay -but why is it t2^2- t1^2 and not (t2-t1)^2
  9. KurayamiKimmi

    Physics: Post your doubts here!

    http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_w02_qp_1.pdf can someone explain question no.9? pls ^^
  10. KurayamiKimmi

    thats why i kept it XD

    thats why i kept it XD
  11. KurayamiKimmi

    =D

    =D
  12. KurayamiKimmi

    no, smiley wid peering eyes :P

    no, smiley wid peering eyes :P
  13. KurayamiKimmi

    A level Biology: Post your doubts here!

    http://www.xtremepapers.com/CIE/International%20A%20And%20AS%20Level/9700%20-%20Biology/9700_s04_qp_1.pdf explain question 30 anyone ? ^^
  14. KurayamiKimmi

    =_=

    =_=
  15. KurayamiKimmi

    A level Biology: Post your doubts here!

    Xylem vessels are dead cells , with lignified walls (except at the plasodesmata) whereas sieve tubes elements are living cells (but devoid of nuclei and ribosomes) and donot have lignified walls Xylem vessels's end plates are broken down to form a continous tube (like a drainpipe) without any...
  16. KurayamiKimmi

    A level Biology: Post your doubts here!

    http://www.xtremepapers.com/CIE/International%20A%20And%20AS%20Level/9700%20-%20Biology/9700_s03_qp_1.pdf can anyone explain why the answer to q16 is A and not B?
  17. KurayamiKimmi

    Physics: Post your doubts here!

    ^^ thankyew so much!!! ^_^
  18. KurayamiKimmi

    Physics: Post your doubts here!

    http://www.xtremepapers.com/CIE/International%20A%20And%20AS%20Level/9702%20-%20Physics/9702_s03_qp_1.pdf ermm... q27 can anybody explain it ?
  19. KurayamiKimmi

    Physics: Post your doubts here!

    http://www.xtremepapers.com/CIE/International%20A%20And%20AS%20Level/9702%20-%20Physics/9702_s03_qp_1.pdf pls explain question 27 ^^
  20. KurayamiKimmi

    Chemistry: Post your doubts here!

    hey what do we need to know about disproportion reactions :confused: ???!! coz da chemteachers i have are unorganized (they teach one part of a topic one day and the next part after a week =.=) thanks for any help ^^
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