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  1. 1

    CHEMISTRY PAPER 21

    the one of 8 atoms i put oxygen but its wrong. the one of bigest radii i put K the one of flotting in water i put Cu the most electronegative i put FO2
  2. 1

    Physics Practical 32!!!

    please anyone!!! i really need some help please
  3. 1

    Physics Practical 32!!!

    Does anyone know what it gonna enter??? i need help pleasee
  4. 1

    CHEMISTRY PAPER 21

    it was a dificult exam, extremely the part of periodicity!!!
  5. 1

    Chemistry 51

    i will called it strange :S
  6. 1

    how was chemistry p51

    didnt finish last 3 quuestions :S and it suks the enthlapy change of neutralisation :_S
  7. 1

    Chemistry AS Paper 2 Variant 1

    it going to enter exam now! bie
  8. 1

    Chemistry AS Paper 2 Variant 1

    which part u find it hard??
  9. 1

    Chemistry variant paper51

    hello guys!! Discuss the paper here how did it go??
  10. 1

    chem 5 : Dilution

    could u state waht is v1,m1, v2 and m2
  11. 1

    post your Physics and Chemistry querries

    do u know any site where it can show these 2 types of bonding?? please
  12. 1

    JUDGE IT !!!!!!!!

    W and V and T
  13. 1

    Chemistry P5 help

    and how do u know what values to put in the independent variable? for example concentration of Acid.
  14. 1

    Chemistry P5 help

    when it says draw a table i Q1. Do u need to invent the values yourself?? LIke for example: 2cm, 5cm, 8cm etc or u just draw the table with no values in it??
  15. 1

    chem 5 : Dilution

    where does this formula come from?? i have never seen it :S do we need to learn it¿¿??
  16. 1

    chem 5 : Dilution

    do u need to state how much water to use?? and also how u do calculate the concentration by adding water?
  17. 1

    Important PAPER 5 help please

    ok :D i have a doubt. how do u know waht volumes and mases to use in Q1.?? the question always says: state appropiate masses and volumes
  18. 1

    chemistry paper 5

    when u calculate the values for Q2. how many decimal places it need to have?? 3 or 2 or 1¿¿
  19. 1

    Important PAPER 5 help please

    i havent done any PAPER 5 with my teacher and havent done it at home neither. I have some questions: 1) Can someone send me a paper that they have done?? to see how the answering should be written 2) How do u aproach these questions, i mean, is it like phisics?? where u need to write like an...
  20. 1

    guys i can help u in bio n chem really but i need help 1st

    Re: guys i can help u in bio n chem really but i need help 1 i would help, what help u need
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