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  1. H

    2010 HSC Chemistry Revising Marathon

    Heres another qwirky question: In a galvanic cell a voltmeter is usually attached, how can electrical energy flow through the external wires to the other electrode if a voltmeter has infinite resistance
  2. H

    2010 HSC Chemistry Revising Marathon

    Industrial chem topic: Q. Discuss the issues with the increased use of wood and evaluate the progress being done to resolve the issues. First of all discuss means to provide advantages and disadvantages but for this question do they only want disadvantages?
  3. H

    2010 HSC Chemistry Revising Marathon

    OK i got a question. Define: equilibrium constant & Reaction quotient What are the differences between the 2.
  4. H

    2010 HSC Chemistry Revising Marathon

    I think its SO2 + H2O ----> H2SO4 Ionic equation is: Net ionic : S-2 2O-2 + 2H+ O-2 ------> 2H+ + SO4 -2 hmmm can someone confirm this (also is this a complete ionic equation as well) I dont have a question but i would love a multiple choice or calculation question
  5. H

    2010 HSC Chemistry Revising Marathon

    to add: Increasing pressure
  6. H

    2010 HSC Chemistry Revising Marathon

    The solutions can be all nitrates so i dont know what your saying I was thinking that it may have something to do with the validity accuracy or something along those lines
  7. H

    2010 HSC Chemistry Revising Marathon

    SO2 from the smelting of sulfurous ores enter the atmosphere: It then reacts with oxygen (or directly with H2O 2SO2+O2---->2SO3 OR SO2+H2O--->H2SO3 Then H2SO3+0.5O2---> H2SO4 CO2 from the burning of FF. CO2+H2O ---> H2CO3...
  8. H

    2010 HSC Chemistry Revising Marathon

    ethanol has great potential being a sustainable, renewable resource being derived from biomass. FERMENTATION TO FORM C2H5OH C6H12O6 ------> 2CO2 + 2C2H5OH NEGs: -lower energy generated than respective hydrocarbons -area of land must be dedicated for sugar cane growth -leads to increase...
  9. H

    2010 HSC Chemistry Revising Marathon

    Sulfur - sulfur trioxide SO3 + 2H ---> H2SO3 lol im stuck now someone finish this off
  10. H

    Physics Tough or Stuffed up Question

    Hello-there where is this question from anyways this is the working a=(T-mg)/m (2875000-105000x9.8)/105000 a= 17.6 metres per sec per sec Since all occupants will experience the same acceleration ...............answer = (c)
  11. H

    Eas

    Also can someone please tell me the specfic courses required for UMAT? I believe it costs like 100 bucks just to do the test :(
  12. H

    Eas

    Hello-there I heard something about this if you are disad. So can someone give me the details. Also is it available yet? Thank uvm:uhhuh:
  13. H

    who actually has an engineering tutor?

    Engineering tutor, ive never heard of such a thing but i want to know if its worth it and where do you go.:party:
  14. H

    Paragraph help - post your questions here

    Ok. so for module B (hamlet, critical studies of text) i believe the structure for a response in this module would be different from the aforementioned. I think theres something about textual integrity now so my question is how would you structure a paragraph in module B. If you feel like...
  15. H

    Free HSC Resources

    pm'ed Thanx man your resources will help me out alot :D
  16. H

    Heya man ill appreciate it if you would give me the PW to those resources. THX

    Heya man ill appreciate it if you would give me the PW to those resources. THX
  17. H

    Icas maths

    generally they are really easy at the start first question usually being a simple addition, subtraction, multiplication, division e.g. 123+36=? N.B. no calculators are allowed then they get super hard and the marks increase so that they are worth 6 ish marks per question. For the last...
  18. H

    HSC Timetable 2010

    eek. im sensing doubles Anyways someone post the timetable tomorrow cheers!!!
  19. H

    Ac motor

    that was pretty straightforward thanx Can i also ask how would a torque vs time graph look like for an AC and DC as well as a force vs time graph for an AC and DC and please explain why. :)
  20. H

    Ac motor

    Why does an AC motor need 2 slip rings rather than one?
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