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Search results

  1. saudha

    AS Chemistry P2 Prep.

    unit of amount of substance which has particles as in c- 12... right.?
  2. saudha

    AS Chemistry P2 Prep.

    ohhhh;)
  3. saudha

    AS Chemistry P2 Prep.

    im doing next ch: Atomic Str
  4. saudha

    AS Chemistry P2 Prep.

    it is a defination... whts LOL abt tht?
  5. saudha

    AS Chemistry P2 Prep.

    i guess 1st ch is done.....
  6. saudha

    AS Chemistry P2 Prep.

    necleon- neutrons + proton
  7. saudha

    AS Chemistry P2 Prep.

    ok anglegirl...... know abt spectator ions?
  8. saudha

    AS Chemistry P2 Prep.

    % by mass=atoms x no of moles of an element/molar mass of compound x100
  9. saudha

    AS Chemistry P2 Prep.

    avogadro constant-6.02x1o^23 moles=mass/RMM to find mass of products in a chemical reaction: 1-mass of the reactants 2-molar mass of the reactants 3-balanced equation
  10. saudha

    AS Chemistry P2 Prep.

    mass spectroscopy-mass of each isotope of an element in it.... 1 vaporisation 2 ionisation 3 deflection 4 detection the mass spectrum shows relative abundance against ion charge Determination of Ar from mass spectra multiply each isotopic mass by its % abundance add the figures divide by 100
  11. saudha

    AS Chemistry P2 Prep.

    ok anglegirl...... wht do we do??:rolleyes:
  12. saudha

    Calculations for A level Chemistry, author E.N. Ramsden third edition ebook download.

    can u come to the chem thread.... instead wasting time...plsss have lotsss to do........
  13. saudha

    Chemistry: Post your doubts here!

    this is really in detail.... wow thxx
  14. saudha

    Chemistry: Post your doubts here!

    hey anglegirl.... ive not even done anything for p2..... im so damn scarrrrrrrrred:(
  15. saudha

    Chemo P5 tips

    k
  16. saudha

    Chemo P5 tips

    yes
  17. saudha

    Chemo P5 tips

    can some one tell how to prepare 250cm of 0.1 of aqueous lead nitrate
  18. saudha

    Physics / Chemistry / Bio P5 help

    ...yah tht is tue... solubility.....is a curve
  19. saudha

    Physics / Chemistry / Bio P5 help

    i just did the q and checked from ms.... i mean it is not always a straight line.........or always a curve
  20. saudha

    Physics / Chemistry / Bio P5 help

    its not always a curve Q2 for o/n 2010 ..... the question says :draw the line of best fit.... and it is a straight line......
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