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    HSC 2012-2015 Chemistry Marathon (archive)

    re: HSC Chemistry Marathon Archive outline the role of a chemist employed in a named industry or enterprise, identifying the branch of chemistry undertaken by the chemist and explaining a chemical principle that the chemist uses
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    economics allnighter crew

    Hey do you have the answer to this?
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    economics allnighter crew

    Everything. Its too late now anyway just download one from the resources section and read over it. What are the features of a managed exchanged system?
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    How to find volume under the curve?

    The area bounded by the curves y=x^2 and y=(X+2)^2 and the x-axis is rotated about the x-axis. Find the volume of solid of revolution formed?
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    Differentiate 9x-8/ 2(sqrt(3x-4))

    Anybody?? Help please...
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    Differentiate 9x-8/ 2(sqrt(3x-4))

    When you differentiate (3x-4)^1/2) Shouldn't the answer be 3/2(sqrt (3x-4))?
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    Differentiate 9x-8/ 2(sqrt(3x-4))

    Please help?
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    Having panic attacks due to chemistry Prac

    WOW.You must've gone to a school with a good ranking. Sadly mine is not even in the top 200's.
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    Having panic attacks due to chemistry Prac

    This term we are doing a titration for Chemistry which is worth 20% of our mark. Honestly speaking I suck at any Practical stuff. I am terrible at delicate things like handling a burette, reading the meniscus etc. Ever since we have started doing this Prac and making solutions etc. I seem to...
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    Change in concentration question

    If you add 500 mL of 0.05M NaOH and 200 mL of 0.1M NaOH then how would you calculate concentration of resulting solution.
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    Change in concentration question

    If you add 200 mL of 0.05M NaOH solution to 500 mL of 0.05M NaOH solution. Will the concentration change and by how much?
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