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  1. C

    Swapping to a lower preference?

    Im sure there are others in a similar boat... Well here is the story... I got a UAI of 96.75 and had my first few preferences as Engineering Space courses at Sydney Uni. After more thought i decided i did not want to do these but instead do Engineering/Architecture at Sydney Uni which ended up...
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    Multiple choice-Q14

    What did people get.. 20mL of 0.008 Mol/L HCl is mixed with 30 mL of 0.05 Mol/L NaOH. What is the resultant PH. a) 1.1 b) 2.7 c) 4.0 d) 7.0 how i did it---> n(H+ in HCl)= 0.02 x 0.08 = 1.6x10^-3 n(OH- in NaOH)= 0.03 x 0.05 = 1.5x10^-3 1.6x10^-3 - 1.5x10^-3 = 0.1x10^-3 (H+ ions left...
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    The real CONFIRMED mc answers

    These are the real confirmed answers. All of them are correct accept 15 which is questionable. 1. c 2. c 3. b 4. a 5. c^ 6. a 7. c 8. b 9. b 10.a 11.d 12.b 13.a 14.d 15.b* *There is much debate over question 15, whether it is B or D. From the poll most people put B, but this is not...
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    Multi choice Q15

    Wondering what people got and why, seemed like the only hard multi choice to me. "a block of silicon dope with boron is connected as shown in the diagram below" i guess that we will all agree they move left, but was it the conduction band or valance band? zzz i was gonna make it a poll but...
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    Graphing e^f(x) and xf(x)

    Can any one explain to be general rules i should follow if i want to graph the following. x f(x) e^f(x) cant seem to find it in any of my text books