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  1. Q

    Why is the average velocity of the particles greater in 1 mole of hydrogen gas at 25

    Re: Why is the average velocity of the particles greater in 1 mole of hydrogen gas at Temperature correlates to the average kinetic energy (KE) of the particles. KE = 1/2 mv^2 (from physics) If m (mass) is lower, v (velocity) is higher for some temperature i.e. fixed KE
  2. Q

    Chemistry Question: Difference between Ethylene and .......

    you got too much free time on your hands... 10/10 for effort
  3. Q

    UNSW Chit Chat Thread

    Re: UNSW Chit Chat Thread 2015. HAHAHA the second one!! food 8) edit: and its like ribs or something I forgot.
  4. Q

    UNSW Chit Chat Thread

    Re: UNSW Chit Chat Thread 2015. Edit: Thanks everyone who voted!
  5. Q

    UNSW Chit Chat Thread

    Re: UNSW Chit Chat Thread 2015. Anyone want to vote for me for 1st year undergraduate CSE student rep (only CSE students can vote)? :P
  6. Q

    UNSW Chit Chat Thread

    Re: UNSW Chit Chat Thread 2015. Ah the microprocessor activities are somewhat fun compared to the others :) Thanks! I found it (there's also an activity for blogging which I didn't see before) Which Goldstein?? I'm in G02 O:
  7. Q

    UNSW Chit Chat Thread

    Re: UNSW Chit Chat Thread 2015. Oh yeah I'm really confused about all that portfolio stuff and the "interim resume" due in week 5 :| Do you know where to access the blog on openlearning? And I havn't started yet - first one tomorrow :)
  8. Q

    UNSW Chit Chat Thread

    Re: UNSW Chit Chat Thread 2015. What's wrong with comp1917? I'm in it too :)
  9. Q

    How does the law of conservation of momentum apply to the motion of the rocket?

    I may be wrong, but I believe BOSTES would allocate one mark to stating the definition of the law of conservation of momentum.
  10. Q

    Which is bigger 1002/1003 or 1003/1004 show without a calculator?

    1002/1003 = 1 - 1/1003 1003/1004 = 1 - 1/1004 clearly, 1/1004 < 1/1003 therefore 1003/1004 > 1002/1003
  11. Q

    Train Ticket -.-

    He travels 3 days per week so not viable Edit: wait... when/why are the 7 days of travel?
  12. Q

    Train Ticket -.-

    I can't think of anything outside of buying concession tickets (including using concession opal card which takes ~5 business days to order) without a concession card. Assess the risks before you do this :P
  13. Q

    Student ID photo size ?

    My friend and I received our ID's through this method and as far as I can tell they look exactly like what they were on the mock ID's on the review page when you submit it (my face slightly widened on mock ID and same for real ID because I didn't bother to crop it to correct dimensions). If...
  14. Q

    Mcdonalds or Hungry Jacks?

    That's really good I think... I always thought maccas employees get paid less. How many hours per wk do you get?
  15. Q

    Textbooks

    What's a course pack?
  16. Q

    How important is it to have the latest edition textbook?

    How important is it to have the latest edition textbook? I can find 2nd hand copies of the previous edition for $100 cheaper than the latest edition which I cannot find 2nd hand copies for.
  17. Q

    explain the concept of escape velocity

    Yes I put quotation marks around 'escaping' because I was using the definition I provided in the previous line. It means to reach a point of zero (negligible) gravitational attraction to a massive body. What do I mean by without further propulsion? I can launch a spacecraft directly upwards...
  18. Q

    explain the concept of escape velocity

    Quite lengthy... I prefer to explain it as: Definition: Escape velocity is the minimum initial speed required for an object to have zero (negligible) gravitational attraction to a massive body without further propulsion (i.e. the object would have 0 KE and 0 GPE after 'escaping' the...
  19. Q

    2015ers Chit-Chat Thread

    A post a made a while ago: http://community.boredofstudies.org/1094/general-discussion-2015-hsc/332295/message-2015ers.html Reading some posts in this thread makes me feel like it could be useful to at least one of you.
  20. Q

    What laptop and hard drive should I get?

    Answering your questions chronologically: 1. If you want a lightweight laptop, look into ultrabooks (a brand name for thin laptops such as macbooks). All ultrabooks are quite expensive, however the main benefit over regular laptops is portability (lightweight) and battery life. I'm using a Dell...
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