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    Acid question

    Which would you expect to be the stronger acid? Explain your reasoning in each instance. a) CH2ClCOOH or CHCl2COOH b) CF3COOH or CHF2COOH c) CH2FCOOH or CH2ClCOOH d) CH2BrCOOH or CH2BrCH2COOH
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    Question about lecture/workshop/practical times

    I have a workshop this coming monday and Biology lecture this coming friday. On my timetable it says below the title "Sem 1 Weeks 2-13" and Sem 1 weeks 9-12" respectively. Does this mean I only start going to workshops the second week and the biology lecture starting from the 9th week? I also...
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    How to know which stream I'm in?

    It says consult your timetable but I don't anything that says which stream I'm in. Also, where can I get the lab manuals? Thanks guys!
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    Electives

    When do we get to pick them?
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    Lab equipment for Pharmacy

    What do we need for the first semester in first year? Lab coat? Goggles? What should I get?
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    Units of study in Pharmacy

    Posted this in Faculties of Health(place looks like it's deserted), but got no replies. Is there no need to choose our units of study since the course itself needs 192 credit points and there's only 192 points worth of units?
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    Units of study in Pharmacy

    Is there no need to choose our units of study since the course itself needs 192 credit points and there's only 192 points worth of units?
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    Timetables

    When do we get them? Do different courses get them at different times? They only gave me access to my MyUni account on enrollment day. Anyway, see you guys when classes start!
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    Atar notice

    It's sent today but I changed my address on UAC yesterday. Are they going to send it to my new address or my old one? Since the change was made only yesterday.
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    Language electives

    Are the ones in Usyd good?
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    discriminant signs

    I understand b^2-4ac = 0 for equal roots and <0 for no roots. But I get confused when < or equal and > or equal comes out. Does anyone have a list of the discriminant signs?
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    When is a function NOT differentiable?

    Like the question says, when is a function NOT differentiable?
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    Is this right?

    Differentiate sinx(3x+1). u=sin x du=cos x v=3x+1 dv=3 Therefore, dy=3sinx + 3xcosx + cosx
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    Integration problem. Please help

    The shaded region in the diagram is bounded by the curve y=square root x+1, the y-axis and the line y=2. Find the volume of the solid formed when the shaded region is rotated about the x-axis.
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    trigonometric range question

    Determine the values of x for which 2sin3x > or equal to 1.
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    Stupid question, but anyway..

    10^2x - 5(10^x) + 4 = 0 I substituted x for u, and got u=1 and 4. My question is, 10^x=1, so x=0. But 10^x=4, what is x for this?
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    simplify this

    (x^-1- 1)/x - 1
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    weird trig question

    cos theta = 0.64 and 0<theta<2pi. How do you solve this?
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    Integrate these for me please

    a)1/(6x+1)^2 b)3 tan x/x^2
  23. A

    Question about locus

    Guys, how do you find out how many times a locus has cut the x axis? For example, (x-1)^2 + (y+3)^2 = 4.
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