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  1. X

    thanks :)

    thanks :)
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    location or phone for Fairfield Troung's recommendation

    The classes over there are so full , and you have to follow these certain rules LOL . I went there for half a year, learnt alot tho :D
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    Advice on Chem Tutoring?

    Hi , Its not too late to go tutoring for chemistry . If you are willing to learn the stuff, you can do it . You should revise all the dotpoints . uhm , Matrix Education, is quite good in chemistry but it is expensive . They have a rule that the max class for 1 teacher is 13-14'sh thats alright...
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    Model of negative feedback system??

    If you do chemistry ? It is easy to remember cause you can relate it back to the equilibrium reaction and LCP . Le chateleirs Principle (:
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    enantiostasis

    Enantiostasis is the maintenance of metabolic and physiological functions in response to variations in the environment. Homeostasis is the process by which organisms maintain a relatively constant or stable internal environment for body cells. It consists of the two stages, detecting changes...
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    Biology Practical help!

    Those ones are average alright (: . just make sure if the exam gives you colour ones, you know how to spot them. the sieve plates are normall in the sieve tube, the dark blacky spots. yeah. goodluck. i have photos, if you want PM me, and i will snap a shot and upload them.
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    Biology Practical help!

    Just get some pics that clearly show the sieve tubes in the phloem and the sieve plates. Transverse(cross section) Longitudinal (Top to bottom)
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    Titration Tips?

    Hi , Im really lost with titration calculations ? It takes me ages !!! :( Do any of you users have any fast ways of working it out ? I was told to draw out a flow chart of all the steps so its more clear, but i spend too much time on them :( . Any tips ? Thanks.
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    "Your submission could not be processed because a security token was missing"

    clear your cache and browsing cookies then it should work :)
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    Ranks ?

    Can some staff member post a list of all the ranks achievable on here ? Like junior member - how many posts ? i just would like to know kthx.
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    Year 11 definitions

    Dispersion forces - are normally between all molecules Hydrogen bonding - If it happens it must have a hydrogen - but with FON - Fluorine / Oxygen / Nitrogen Dipole - Dipole Bonding - attractive forces between the positive end of one polar molecule and the negative end of another polar molecule
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    Molar Heat of Combustion - just clarifying

    yeah its DeltaMH = Q/n Q = DeltaH n=moles well done.
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    equilibrium constant

    Remember this : A + B --> C + D equilibrium constant = [C][D] / [A][B] 2A + B --> 3C + D Equilibrium constant = [C]^3[D] / [A]^2[B] The mole ratio's becomes the power of it in the equilibrium constant equation ^above user gave the correct answer.
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    Calculating the pH of solution

    when is the exception when you have to times it by 3 if it is triprotic ?
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    Strong/Weak acids and bases

    strong acids are normally laboratory acids and weak acids are normally household acids (also another way to remember them)
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    Help with Medical Science please!

    My brother did 3 yearrs of Medical Science at Sydney University , and now he is doing Medicine/Surgery at Usyd . so i think med science at usyd is good . its around 92 ATAR now. (i think)
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    Must read guide for those seeking an ATAR estimate

    this one : http://bettereducation.com.au/results/hsc.aspx
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