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  1. DXDEVIL130

    Looking for computer science (0478) notes!

    I already saw your post, but thanks anyways! I'm pretty nervous for tomo, since I'm not sure what exactly will come :confused: Wish we had past papers :(
  2. DXDEVIL130

    Looking for computer science (0478) notes!

    Does anyone have theory notes for paper 1?
  3. DXDEVIL130

    How were Chemistry Paper 11 and 31 May/June 2015

    Yup, that's what I got. What did you get for that formula one? I got something like C10H21OH Also for the iodine and fluorine one I got F5I
  4. DXDEVIL130

    Physics, Chemistry and Biology: Post your doubts here!

    Oops, my bad, it's mgcl2 :p Mg+2HCl => MgCl2+H2 So the ratio Mg:HCl would be 1:2, so if Mg is 0.05 moles, then HCl should be 0.05*2 which is 0.1, but it's only 0.08, so HCl is the limiting reagent.
  5. DXDEVIL130

    Physics, Chemistry and Biology: Post your doubts here!

    2Mg+2HCl => 2MgCl+H2 Moles=Mass/Mr Mg=1.2/24= 0.05 HCl=2.74/1+35.5=0.08 FROM EQUATION Mg:HCl= 2:2 = 1:1, which means both should be equal, but HCl is more than 0.05, thus it's in excess and Mg is the limiting reagent.
  6. DXDEVIL130

    Physics, Chemistry and Biology: Post your doubts here!

    HCL is in excess and Mg is the limiting reagent. You first find the moles of both of them, and whichever has less number of moles is the limiting reagent, since the ratio between Mg and HCL is 1:1.
  7. DXDEVIL130

    Paper 42 is hell gone loose

    haha this is awesome!
  8. DXDEVIL130

    Worst math paper in the history of CIE

    I was talking about the last session.
  9. DXDEVIL130

    Business Studies HELP Needed

    Comp is p2, which is pretty easy (at least for me it is) Is economics hard? I do Accounts which is really easy but the last exam is on 10th June :cry:
  10. DXDEVIL130

    Worst math paper in the history of CIE

    http://downloadandstudy.blogspot.com/2015/03/igcse-mathematics-0580-grade-threshold.html?m=1
  11. DXDEVIL130

    Business Studies HELP Needed

    When we first started we had about 25, but then everyone started dropping the subject, and then we ended up with about 8 from all classes... And good luck for your results! :)
  12. DXDEVIL130

    Worst math paper in the history of CIE

    Last time it was around 146 for A (I think) , and in my opinion the papers were much easier, so it should probably be lower this time.
  13. DXDEVIL130

    Business Studies HELP Needed

    It was pretty good, easier than I expected. But there was hardly anyone doing the exam, only one other guy from my class.
  14. DXDEVIL130

    Worst math paper in the history of CIE

    I expected to get A*. I got As in both mocks, but now this paper ruined everything
  15. DXDEVIL130

    Worst math paper in the history of CIE

    Today's paper was definetely the worst!
  16. DXDEVIL130

    Business Studies HELP Needed

    Thanks :)
  17. DXDEVIL130

    Business Studies HELP Needed

    Btw do you have the pages from the new topics?
  18. DXDEVIL130

    Business Studies HELP Needed

    Got it, thanks, and good luck to you too :)
  19. DXDEVIL130

    Business Studies HELP Needed

    Thanks again! I'll practice more past papers and see if I'm more comfortable doing 2 or 4 points, and then I'll stick to it. Also do you usually read the book more, or do more past papers? Because for mocks I read the book a lot , but still got pretty bad marks.
  20. DXDEVIL130

    Business Studies HELP Needed

    Thanks a ton! :) One question though: how many points do you recommend I should write for each, for and against? I mean knowledge points. I saw that you made only 1 for each, but is that enough?
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