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  1. H

    Chemistry: Post your doubts here!

    My bad :p I answered for increasing [Pb2+] rather thn decreasing Just remember this, if equilibrium shift backward the electrode potential decrease and if it shifts forward elecrtode potential increases. Now u can work out the answer, it opposite to what happens when we increase [Pb2+]
  2. H

    Chemistry: Post your doubts here!

    Increasing the [pb2+ aq] causes equilibrium of 2nd reaction to shift backward and Electrode potential becomes less for the second reaction, and Electrode potential increases for the first reaction, ie Pb-->pb2+ + 2e- So the E° for forward reaction is something less then +1.47 and for the...
  3. H

    Chemistry: Post your doubts here!

    Thank you :)
  4. H

    Chemistry: Post your doubts here!

    Please please someone tell me this, when writing stuctural formual do we show the C=O bond, like when writing structure of a ketone.. An examiner report says that we have to show this bond and other bonds like this..someone clarify please
  5. H

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w08_qp_4.pdf please please someone help with Q4 biii Pleasee!
  6. H

    Physics: Post your doubts here!

    Thanku :)
  7. H

    Physics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_w07_qp_4.pdf Someone help with Q3 bii please..
  8. H

    As physics p1 MCQS YEARLY ONLY.

  9. H

    Physics: Post your doubts here!

    Thanku so much :)
  10. H

    Physics: Post your doubts here!

    Help http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_s11_qp_21.pdf please someone tell how to do question 5 part b..
  11. H

    HELP! PHYSICS Paper 5 (A-level practical)

    http://olevel.sourceforge.net/papers/9702/9702_s13_qp_52.pdf How to do question 1? how are we supposed to change and measure the frequency of AC?
  12. H

    A Level Physics Paper 5

    http://olevel.sourceforge.net/papers/9702/9702_s13_qp_52.pdf How to do question 1? how are we supposed to change and measure the frequency of AC?
  13. H

    Physics paper 5 notes?

    http://olevel.sourceforge.net/papers/9702/9702_s13_qp_52.pdf How to do question 1? how are we supposed to change and measure the frequency of AC?
  14. H

    Solved physics Paper 5??

    http://olevel.sourceforge.net/papers/9702/9702_s13_qp_52.pdf How to do question 1? how are we supposed to change and measure the frequency of AC?
  15. H

    Physics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_w12_qp_43.pdf Please can anyone tell how to make the graphs for Q5 part b and c-ii
  16. H

    Physics Topic Wise Questions (MCQ Answers Included)

    Thanks.. God bless you :)
  17. H

    AS Physics P1 MCQs Preparation Thread.

    Thanks :)
  18. H

    AS Physics P1 MCQs Preparation Thread.

    Thanks..
  19. H

    Paper 12 Physics 9702. Post any queries or Problems!!! Notes Required

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_w09_qp_11.pdf help in question 22 and 26 please!
  20. H

    AS Physics P1 MCQs Preparation Thread.

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_w09_qp_11.pdf help! question 22 and 26 please!
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