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  1. K

    Fermentation of glucose mass changes

    Couldn't you also say that after a given time, the ethanol content would have been high enough to kill the yeast hence stopping the reaction and so no further mass changes would occur? Or all of the sugar was metabolised?
  2. K

    How's everyone coping?

    Had a titrations prac test the other day worth 25% :O I think I did ok...just glad I finished the test in time. Physics prac test next week and looming trials is starting to ramp up the stress a little now but otherwise coping good :)
  3. K

    Writing speeches (for presentations)

    ^ this. Go for the full sentences and when you recite it at home for practice, underline/highlight the words you always forget or stuff up so when your in your speech, you just have to look down and remember what to watch out for. Safest is full sentences.
  4. K

    Words in 40 minutes?

    in 40 minutes? around 1300
  5. K

    I do bio, chem, physics, advanced english, 3U maths, and SOR1. You?

    I do bio, chem, physics, advanced english, 3U maths, and SOR1. You?
  6. K

    no, i haven't got any past papers other than past hsc papers sorry :( i need some too.

    no, i haven't got any past papers other than past hsc papers sorry :( i need some too.
  7. K

    Nice :) Hows year 12 going for you?

    Nice :) Hows year 12 going for you?
  8. K

    Nationality? Australian + a mix of European. You?

    Nationality? Australian + a mix of European. You?
  9. K

    Not that I'm aware of :D lol

    Not that I'm aware of :D lol
  10. K

    Refraction Question

    I understood refraction to be the bending of light as it changes speed upon entering a medium with a different optical density i.e. the medium changes, the speed changes, the angle changes.
  11. K

    What are you doing on so late? Nah I just had my internet browser open and was still logged in...

    What are you doing on so late? Nah I just had my internet browser open and was still logged in, even though I wasn't using it. Been doing past HSC chem questions for once :) Practice for upcoming prac exam :O Hows life, my friend?
  12. K

    To print or not to print

    oh wow, good job! :)
  13. K

    Diprotic acid- strong base titration

    Like oxalic acid + sodium hydroxide. Oxalic acid is diprotic so you just need to make sure that in your equation, you show the transfer of 2 hydrogens: H2C2O4 + 2 NaOH -> Na2C2O4 + 2 H2O
  14. K

    Preliminary 2012 Chemistry Marathon

    Aren't these meant to be prelim questions?
  15. K

    To print or not to print

    Personally I study with a textbook and paper in front of me rather than on a computer, but if your worried about saving paper or something you can probably print double-sided plus reduce the font size/size of diagrams.
  16. K

    Science prac tests

    I don't like them either - give me a normal test anyday. That being said, just study the theory side of a prac. Your only problem is if you have the practical skills to pull it off without messing it up - but the pracs aren't usually that bad so you'll be fine! :)
  17. K

    Last exam date.

    Wow, my graduation/formal is before the HSC.
  18. K

    Last exam date.

    6th november - Chemistry
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