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  1. M

    Parramatta Library HSC Chemistry Trial Discussion

    Your explanation makes a lot of sense, thanks for that. My chem teacher only taught my class half of the syllabus which is why i couldnt recognise this. Its fine dw about it. Thanks heaps once again
  2. M

    Parramatta Library HSC Chemistry Trial Discussion

    Am I right?
  3. M

    Parramatta Library HSC Chemistry Trial Discussion

    Can you reply to my previous query? "I know B/D result in a decrease in CO2 concentration but at t=3 there is actually an increase in concentration. So it should be A/C. Right?"
  4. M

    Parramatta Library HSC Chemistry Trial Discussion

    Ohh okay thanks heaps then I know B/D result in a decrease in CO2 concentration but at t=3 there is actually an increase in concentration. So it should be A/C. Right? The other questions were really good. Nice work, you nailed it!
  5. M

    Parramatta Library HSC Chemistry Trial Discussion

    For qn 7, all answers are correct. all of them involve a proton exchange In C, The following Bronsted-Lowry eqns are put in one eqn: N3- + H2O --> NH^2- + OH- (cbb states) NH^2- + H2O --> NH2^- + OH- (cbb states) NH2^- + H2O --> NH3 + OH- (cbb states) When they are combined these eqns...
  7. M

    Parramatta Library HSC Chemistry Trial Discussion

    When will our papers be available for collection?
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