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  1. Snowflek

    Acids as proton donors

    Oh because in one of the questions my teacher gave me, the answers she provided us said what i said.
  2. Snowflek

    Titration

    Oh yh im stupid haha. Thanks!
  3. Snowflek

    Titration

    Also another question that is not related to titration In which of the following reactions does the metal atom show the greatest change in oxidation state? (A) MnO4− to Mn2+ (B) MnO2 to Mn(OH)3 (C) PbO2 to PbSO4 (D) VO2+ to VO2+ 2010 question 12 I thought the answer was c as the Pb moved...
  4. Snowflek

    Titration

    Equal volumes of four 0.1 mol L−1 acids were titrated with the same sodium hydroxide solution. Which one requires the greatest volume of base to change the colour of the indicator? (A) Citric acid (B) Acetic acid (C) Sulfuric acid (D) Hydrochloric acid This is the 2010 question 7...
  5. Snowflek

    Acids as proton donors

    Hey guys, I understand that acids are protons donors and i have a question about it. Citric acid (2hydroxypropane 1,2,3 tricaboxylic acid) is a triprotic acid. For an acid to donate a proton, it should be attached to a electronegative molecule (correct me if im wrong, i saw this somewhere) such...
  6. Snowflek

    Does failing the school assessment tasks scaled me down? Help plz!!

    Sadly for me, my science trials are 25% lol...
  7. Snowflek

    Trials mark ≈ HSC mark?

    Hey all! Quick question, is the trials mark like an estimation of how well one does in the HSC? Lets say for a school in the rank 130ish
  8. Snowflek

    Equilibrium constant

    If the question asks in a 5L container, do I divide the final conecntration by 5?
  9. Snowflek

    Equilibrium constant

    Thank you very much for your help!
  10. Snowflek

    Equilibrium constant

    Is the reason why SO2 is -0.8 because SO3 is+0.8 in which both have molar ratio of 2 and since oxygens molar ratio is 1 its 0.8 divide 2?
  11. Snowflek

    Atar estimate for a ranked 300 school please :)

    You should also include the amount of band 6 in your school to allow the estimaters to give you a more accurate result.
  12. Snowflek

    Equilibrium constant

    Hey guys I'm extremely confused about this topic. Sulfure dioxide and oxygen react to form sulfure trioxide 2SO2 + O2 --> 2SO3 all gas One mole of sulfur dioxide is mixed with 0.7 moles of oxygen gas in a 1L container. There is 0.8 mol of SO3 present in the container at equilibrium. Then...
  13. Snowflek

    Difference between USyd and UNSW

    Hello, I was wondering what is the difference between Usyd's Bachelor of Computer Science and Technology and UNSW's Bachelor of Computer Science. Thank you
  14. Snowflek

    What happens to my ATAR if I get low assessment marks and high HSC marks?

    Sadly not for me! My science trials are worth 25%..so rip me tryna climb D:
  15. Snowflek

    Advice for textbook types

    I have conquering chem and tbh, I find that it has many unnecessary information in it. But overall, its still pre good.
  16. Snowflek

    Need help with this syllabus point

    You need to know the persons name, where they are employed, and the job description kinda relates to chemical principle. So in short, yes you need to know what your teacher told you, but i havent really seen that question come up in the HSC. But who knows? Were the second last year of this last...
  17. Snowflek

    AOS Discovery Analytical Writing

    A human necessity or a planned event can bring about a discovery. I remember my teacher telling us a story where he had to go (planned to go to the shops) to the shops to buy food (necessity), and when he was walking down the street to a corner store, he discovered this road that he never...
  18. Snowflek

    Wonder how many times you changed your dp. xD

    Wonder how many times you changed your dp. xD
  19. Snowflek

    Help with related texts

    https://www.youtube.com/watch?v=LOMbySJTKpg Try that^! I used this for my essay, because this short film has quite a significant discovery and i believe it really fits your question very well!
  20. Snowflek

    Atar estimate based on half yearly and term 1 combined

    Im sorry for making my post look so messy. I don't know how to set it out. Thank you
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