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  1. H

    chem

    Because 83kJ of heat is released when 1 mol of Calcium Chloride is dissolved. The question states 0.01 mol is used so 0.01mol x 83kJ/mol = amount of heat released by 0.01 mol
  2. H

    Can this be used as a proof?

    I've seen an answer using the converse. Forgot which book it was from. Drongoski's method is fail-safe and I would've done that for sure
  3. H

    B Comm/B Eng (USYD VS UNSW)

    I know Com/Sc(adv) is a good double degree. What's a good one for eng?
  4. H

    Motion -- "find the greatest velocity" type questions - help needed

    Max velocity in shm is when x=0, i.e. centre of motion. This is when acceleration is 0. For that question you could integrate it to find v in terms of x. What you said about maxima and acceleration = 0 isn't correct. Acceleration is max there
  5. H

    Ipt

    Most is memory, other than the skills ones like calculations and drawing DFDs. So I disagree on the need for understanding the content. So it is very easy to self-teach
  6. H

    Post your Physics questions here.

    0.994c
  7. H

    Binomial Probability Q - Annoying the Heck out of me!

    How strange, initially I used the 7/10 way but never arrived at the answer. And now after looking at deterministic's answer, 9/10 x 7/9 = 7/10. Mindfuck lol
  8. H

    What happened to the times?

    My speculation: adding resources stuffed the bos clock
  9. H

    Binomial Probability Q - Annoying the Heck out of me!

    9/10 shots make it. 1/5 shots are bullseyes, therefore 2/10 are expected to be bullseyes. Of the shots that make it in 10 shots, 2/9 are expected to be bullseye and 7/9 are not. Without me writing up a whole heap, your x and y or your p and q (whatever you use to represent chances of success...
  10. H

    Exam Failure?

    ^lol damn Do tutors actually expect students to be recruited when they advertise their teaching prowess? BOS community: "No" I hope not...
  11. H

    Calculate how long a 10 kilobyte file will be transferred at a speed of 2400bps.

    Yea, I saw a question like that. Specifically said not to arrive at the final answer
  12. H

    Screwed sleeping pattern? O.O

    Yea. It's been happening for 3 years now
  13. H

    Hard mx1 questions

    Haha
  14. H

    Post your CSSA MARKS HERE!

    As in maths, not as a person lol.
  15. H

    Post your CSSA MARKS HERE!

    @ hermes I am for sure he is better than you (or at least on par)
  16. H

    2 Unit Revising Marathon

    Re: 2 Unit Revising Marathon HSC '10 What tim said What if the 2nd sock matches the 3rd?
  17. H

    Scared about getting trial marks back?

    Contradiction Lol jks, nice marks dude. 80+/84 in Ext1 is like 99
  18. H

    Scared about getting trial marks back?

    Hey it's Bored x Fail. Bored of failure...we totally seeing it
  19. H

    Probability

    Interesting... For axiom of choice, tl;dr
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