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  1. X

    Why do i feel like i'm gonna screw up phy p2 tmw ?

    Ask a lousy question(from brain) gives a lousy answer so Why do You feel like i'm gonna screw up phy p2 tmw ?. Because u r jerk lol get over it nothings impossible go get it, u invested tons of time and money not to feel u gonna screw the paper Dont settle for the less you can handle!!
  2. X

    Paper 5 Tips !! :)

    What u guys did for apparatus setup in n12/51 ? i consulted my friend and found out that H2O evaporated can be condensed and H2 wont so i placed ice bath and gas syringe to the same connecting tube !
  3. X

    Paper 5 Tips !! :)

    JazakAllah :)
  4. X

    Paper 5 Tips !! :)

    I too was puzzeled in this, i tried two workOuts a) placed a solid cube of Mg.. b) used a flask with an inlet (throw in MG.. with connecting tubes connected to supply) what u thought Edit: googling helps http://www.techknow.org.uk/wiki/index.php?title=File:Catalase.jpg
  5. X

    Paper 5 Tips !! :)

    ?? whats the prob?
  6. X

    Paper 5 Tips !! :)

    yup u can in a little big beaker to avoid heat loss(plastic cup is also a good heat insulator)
  7. X

    Paper 5 Tips !! :)

    you can use it either way u'r doing actually same except " Then you just have to subtract this mass from the initial saturated solution mass" by this u'll get the mass of water which is dissolved the first way is another approach as u don't have to get the crystals by evaporating all of the...
  8. X

    Paper 5 Tips !! :)

    mine columns are Column D: (0.1xB)/20 --> thanks to MaxStudentALevel | Column E 0.02xC/25 Values: 0.1215 and 0.0149 and so on
  9. X

    Paper 5 Tips !! :)

    What are your Column Headings?
  10. X

    Chemistry: Post your doubts here!

    i would suggest just for now Focus 100% on p5 whatever it takes if p5 is ur next paper after p5 we'll take care of p4 awesomly ;)
  11. X

    Paper 5 Tips !! :)

    nopes its not necessary you can use 50cm3 H2O2with 0cm3 of water u'll get the unchanged [H2O2] then start decreasing volume of h2o2 and start inc vol of water by unitry u get dec concentration sol A) u take 50cm3 of 2 mol/dm3 --> conc= 2mol each dm3 sol B) u add 10cm3 of Distilled water and...
  12. X

    Paper 5 Tips !! :)

    a new approach thanks (y) else u can use unitry method as posted before
  13. X

    Chemistry: Post your doubts here!

    what it causes to dependent value??
  14. X

    Paper 5 Tips !! :)

    take a look at chemistry Doubts post i posted the tip their tell me if find any prob
  15. X

    Paper 5 Tips !! :)

    exactly yes u warm thiosulfate to that extent and then tip the acid(also warmed acid) my bad i didn't consider immediate start of reaction u guys rocks JazakAllah guys
  16. X

    Chemistry: Post your doubts here!

    No they do involve the Y-axis only as Y-axis in independent axis so take an eg u collecting volume of CO2 from CuCarbonate on x-axis Cu(CO3)2 mass on Y-axis volume of CO2 agar u take less mass of Cu(CO3)2 u definately get less amount of CO2 but less CO2 collected than expected can be caused by...
  17. X

    Paper 5 Tips !! :)

    Expt has to be commenced on a given temp say 30*C for expt 1 u set the temp of a water bath u place the conical flask in water with mixture u measure temp and start stopwatch when 30*C hits at this point temp of water in bath = mixture of solution in flask as they are in equilibrium (zeroth law)...
  18. X

    Paper 5 Tips !! :)

    A general Tip: Whenever you get Stress Do an awesome workout, for boys--> do reps in a set no one has ever imagined of ..! tc
  19. X

    JazakAllah, Just i ask help from Allah(swt) and never settle for the less i can be ! ;) phy...

    JazakAllah, Just i ask help from Allah(swt) and never settle for the less i can be ! ;) phy, chem, maths!
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  20. X

    Paper 5 Tips !! :)

    "but the ms says that yu can't start timing w/0 allowing the reactants to reach the required temperature" Time must be only measured for the temperature on which we are required to carry an experiment (we are investigating temp effect) so we only care for the temp we are investigating.. u can...
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