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  1. A

    Chemistry vs. Biology vs. Physics

    i agree. I still think they gotta include calculus in physics course but they wont do that :(
  2. A

    Chemistry vs. Biology vs. Physics

    Physics>Chem>Bio any day
  3. A

    Help I dont get this question

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  4. A

    Help I dont get this question

    I keep on getting D... idk why... i give up someone please tell me how its done
  5. A

    How did they get the concentration of Ag+, im so confused

  7. A

    How did they get the concentration of Ag+, im so confused

    here is the q 2021 hsc
  8. A

    How did they get the concentration of Ag+, im so confused

  9. A

    I dont understand the working out for this question...

    This may sound a bit silly but how did they just know how to sub in these concentrations of Ag and CrO4. I am so confused. I tried subbing in another point.. didnt work
  10. A

    Why is my answer incorrect?

    btw the answer is half of what i got
  11. A

    Why is my answer incorrect?

    Here is the question: and here is my working
  13. A

    Guys this may sound crazy but what if we all meet together after the HSC

    6 foot 8 (yes im a tall boi)
  14. A

    I need help with this question

    so do I find the number of moles of thiocyanate that reacted with the excess Ag and subtract from the total Ag used. Then do I make use of the fact that everything is 1:1 so no. of mol of salt = no. of mol Ag used and divide by volume and then multiply by 10 cuz its diluted? thats what i did in...
  15. A

    I need help with this question

    your working makes sense but the answer is 0.12 i still dont get how
  16. A

    I need help with this question

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  17. A

    I need help with this question

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  19. A

    I need help with this question

    Can someone please send their working for this please? I dont get it
  20. A

    I dont understand the working out in the first line

    Thanks for the brilliant answer !!! I get it now
  21. A

    I dont understand the working out in the first line

    Like I understand both curves intersect at x as they are the inverse and its way too hard to find the inverse but using x instead of the inverse wont give u the correct shaded area
  22. A

    How do I do this question ?

  23. A

    How would you do this ?

    Thanks bro appreciate it !!! I applied the same steps as u, was just confused why there was no equal sign but I am glad you agree with me !!! Have a great night
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