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  1. M

    Question in Chemistry ppr4 urgent plz.

    does anyone know why some books say 1) E(std)cell = E(+ve terminal) - E(-ve terminal) 2) E(std)cell = E(right hand terminal) - E(left hand terminal) in my class, we used the first one. but when i attempt June 2008 paper4 Q1, they used the 2nd one to get the answer. im confused :S thanks in...
  2. M

    Chemistry - Urgent - help Question in ppr 2

    plz help me to solve this question. thanx in advance. element Atomic radius/pm Ionic radius/pm lithium 152 ?????? sodium 186 95 potassium 227...
  3. M

    Accounting ppr1 help plz

    can u plz help me in questions no. 6,11, 16,22,23,24,30,32,33,39 Nov.06 ppr1 Thanx in advance. I appreciate ur help.
  4. M

    Chemistry ppr 5 help needed

    can somebody help me in solving Q2(b){GRAPH} in June 2009 how to draw to straight lines ??? the plotted points appear to be curve .I really need help urgently. I appreciate ur help.
  5. M

    Edexcel biology

    Do we have to know Mendel's laws because I'm confusing. Thank u
  6. M

    need help Urgent BIOLOGY 6BIO8

    please help me in this question 1. Respirometers are designed to measure respiration rate. They do this by recording the volume of oxygen taken up by the respiring tissue. In most cases, when a tissue is undergoing aerobic respiration, the volume of oxygen taken up by the tissue is equal to the...
  7. M

    To those who princesszahra helped:

    why don't u people help others who need help in practicals .please help others as princesszahra helped u.plzzzzz be cooperative and help us...
  8. M

    help Urgent - Bio EDEXCEL!!!!

    please help me in solving { Q1 b (ii) } Q 2(d) sorry I didn't know how to upload the file. Here is the link http://www.xtremepapers.net/Edexcel/.Bi ... e-SAMs.pdf
  9. M

    BIOLOGY EDEXCEL - specimen 6BIO7

    please help me in solving { Q1 b (ii) } Q 2(d) sorry I didn't know how to upload the file. Here is the link http://www.xtremepapers.net/Edexcel/.Bi ... e-SAMs.pdf
  10. M

    specimen 6BIO2

    please I need help in specimen 6BIO2 Q4c. Describe how a cell loses the ability to produce other cell types and becomes specialised.
  11. M

    Biology A2 Edexcel URGENT!!!!!

    What are the statistical tests do we have to know???please help :?: :?:
  12. M

    English Oral IGCSE

    Can somebody help us to know the questions that were asked in the English Orals as a second language? Please help :!: :!:
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