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  1. afsah shaikh

    A2 Maths paper 3

    I think the gt this years gonna b around 55 or 56, the paper wasnt hard it just had a time factor. Try and chk o/n 13 p31 or maybe 32 i dont exactly remember but that paper was a wat i call hard and it had a threshold around 47. So i think this paper would be 55 or something, but its just my...
  2. afsah shaikh

    Chemistry: Post your doubts here!

    in a equation how do we know which reactant on change in concentration has no effect on the rate of reaction eg: CH3CH=CH2 + I2 -------> CH3CHICH2I PLZ i need to know its important
  3. afsah shaikh

    Chemistry: Post your doubts here!

    Two moles of compound P were placed in a vessel. The compound P was partly decomposed by heating. A dynamic equilibrium between chemicals P, Q and R was established. At equilibrium, x mol of R were present and the total number of moles present was (2 + x). What is the equation for this...
  4. afsah shaikh

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w11_qp_11.pdf Q 34, 35 and 36 plz :)
  5. afsah shaikh

    Chemistry: Post your doubts here!

    thn thnx that helped ;)
  6. afsah shaikh

    Chemistry: Post your doubts here!

    answer should be C the first one says the reaction is exothermic in the forward direction, the graph shows increase in kp while the temperature increases, according to le chatier's principle if a reaction is exothermic then then on a increase in temperature the reaction should proceed in the...
  7. afsah shaikh

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w11_qp_11.pdf Q1 why is it b and why not a
  8. afsah shaikh

    thnx... :)

    thnx... :)
  9. afsah shaikh

    Physics: Post your doubts here!

    you can look at this as a pully attached with 2 mass, the man is the lighter object while the barrel is heavier object so here you need the acceleration since its the same rope the tension and acceleration would same for both cases ie for the man and the barrel first you need to make...
  10. afsah shaikh

    thnx and nice to meet u ^_^

    thnx and nice to meet u ^_^
  11. afsah shaikh

    Chemistry: Post your doubts here!

    are u sure wouldn't every term in the equation just cancel out each other tbh i tried it that way too....:(
  12. afsah shaikh

    Chemistry: Post your doubts here!

    Two moles of compound P were placed in a vessel. The compound P was partly decomposed by heating. A dynamic equilibrium between chemicals P, Q and R was established. At equilibrium, x mol of R were present and the total number of moles present was (2 + x). What is the equation for this...
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