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  1. K

    Conics question help

    relax.. jus conics
  2. K

    integration by parts

    what the.. is arc even in the syllabus.. havent seen arc sin through all my years of schooling.. what textbook is it in?
  3. K

    Conics question help

    dun u jus find the intersection, distance formula. then let x = ae
  4. K

    MedEntry

    are the workshops really important? do they make much difference? coz one of my friend said that during the workshop, the tutors just sit and go over those booklets which you can do at home.. so would it be worth the money to apply for medentry. i can get those practice questions btw.. and...
  5. K

    need points for another essay

    Analyse and discuss the effects of both increased and decreased protection on DOMESTIC INDUSTRY AND THE AUSTRALIAN ECONOMY. it an essay question and im stuck on some ideas. Could someone please provide dot points to answer this question? thx
  6. K

    Need points for an eco essay

    cool, would u kindly pm me ur essay? thx
  7. K

    Need points for an eco essay

    2006 paper (20 marks) 27) Outline the causes of an increase in demand for the Australian dollar, and discuss the impacts on the australian economy of a sustained appreciation of the australian currency. could someone give me brief dot points for this essay. Ie what points i should include...
  8. K

    What would be a band 6 response to this question

    During your HSC course, you used models to explain phenomena and/ or make predixtions. a) DESCRIBE steps involved in modeling the dehydration of ethanol [3 marks] b) DISCUSS the limitations of the model you made [3marks]
  9. K

    Balancing redox equations

    why is it 6e-??
  10. K

    Balancing redox equations

    1) Write a balanced half equation for the reduction of the dichromate (Cr2O7-2) ion in an acidic solution . It is reduced to the Cr3+ ion. 3)Write balanced half equations for the reduction of MnO2. It is reduced to Mn(OH)3 and another physics question if u do physics 2) Outline the effect of...
  11. K

    You *know* you're a chemistry nerd when...

    when u look at the back of soft drinks for their concentrations and nods with satisfaction
  12. K

    A motion problem

    very simple question as t approach infinite.. what does x approach to? x = 1/2 tan inverse 2t
  13. K

    An integration problem

    how to integrate 1/(cos2x)^2?
  14. K

    Help with prac???

    wow, this was posted way back in 2005 and no one had made one reply yet. shame on youse ppl!
  15. K

    two quick questions

    u no what r the equations to show HCO3- is amphiprotic?? i need help with that.. also.. dun quite understand what u mean in question 7
  16. K

    two quick questions

    6) Explain how NaHCO3 is useful as a safety measure to minimise damage in chemical spills. Provide four points in support of your answer. 7)Write the formulae of the amphiprotic species in a solution of tetraprotic pyrophosphoric acid, H4P2O7. i dun get what question 7 is asking. find...
  17. K

    fermentation

    oned
  18. K

    Slingshot effect

    nah the surfing book is wrong.. it will speed up when u approach from the back.. momentum is transferred
  19. K

    my story

    oh .. okay .. maybe i should change his name =D would it be better? what name should i use.. hm..
  20. K

    question (Relativity?)

    i think it will reach the spaceship for situation one because of special theory of relativity :) . stop trying to disprove it god damit!
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