chemistry

  1. LennonTheLemon

    USyd Advanced & Specialist Chemistry 1A

    I am trying to decide whether to do advanced (CHEM1911) or specialist (CHEM1991) Chemistry 1A at USyd. How much more work is specialist when compared with advanced? How much more do I have to attend campus to do specialist, and would it be a bad idea if COVID-19 comes back and everything...
  2. lucywills24

    HELP! Chemistry emergency :(

    So I haven’t studied for chem all summer holidays and I have forgotten so much content, so I have to start back at mod 5. Can anyone please help me with this question, the answer is D but I can’t figure out why. Thanks 😊
  3. 9

    I'm going into preliminary year and HSC (12) for some subjects and terrified. HELP

    2022, I'm going into prelim with subjects -biology -chemistry -english advanced -english ext 1 -music 1 These subjects are accelerated and taking the HSC (2022) for -Maths advanced -Maths ext1 -SOR (Studies of Religion1) I haven't really consulted an expert for my subject choices just fully on...
  4. D

    Best textbook for Physics and Chemistry

    Hi, I am a year 10 student, going into year 11 next year, and I have chosen to do Chemistry and Physics. I was wondering what textbook is the best to study for these subjects, so it would be great if I could get some guidance.
  5. chwabe

    Difficulty of Chem and Phys Modules

    Hi I'm wondering if there were any specific phys and chem modules that are harder than others and need extra study or tutoring on (for preliminary modules but opinions on hsc modules as well)! I'm going to be attending tutoring for module 2 of chemistry (quantitative chemistry) but I'm not sure...
  6. I

    q 25 2020 h&c chem = suffering

    Hi guys! I just wanted to make sure I fully understand the answer to question 25 from last years paper. Is it true that we can say the point of intersection between the two graphs is the equivalence point because it shows where the reaction goes from producing a specific amount of energy per...
  7. X

    Where can I find hard practice questions

    I'm studying Physics and Chemistry, and I've tried the questions in the textbooks I use (surfing and in focus) but they all seem to be repetitive and are nothing like the harder questions in the HSC. Does anyone have any other textbook suggestions or resources with hard exam type questions for...
  8. A

    Free Online Y10, Y11, Y12 Science Tutoring help

    Hey guys! Learning in lockdown can get pretty frustrating so to help out we’re offering free help for anyone that has questions on physics or chemistry! Visit our website (link in first image) to book a quick 15 minute session to ask us anything. We're Olympiad-trained James Ruse graduates who...
  9. A

    Free Online Y10, Y11, Y12 Science Tutors

    Hey guys! Learning in lockdown can get pretty frustrating so to help out we’re offering free help for anyone that has questions on physics or chemistry! Visit our website (link in first image) to book a quick 15 minute session to ask us anything. We're Olympiad-trained James Ruse graduates who...
  10. S

    Organic Chem: Substitution Reaction

    Is there any rule about which hydrogen in alkane will be replaced by a halogen atom during substitution reaction as per below? Thank you in advanced!!!!!
  11. P

    Acidified oxidising agents

    Why does potassium permanganate KMnO4 become a better oxidising agent when it is acidified? As opposed to being in water, or a basic solution?
  12. C

    Atomic Absorption Spectroscopy - help needed asap!!!!!

    Does anyone know how to answer this: An anlaysis of the accuracy of AAS I literally can't find any information on its accuracy, please help!!!
  13. imxprt

    Chemistry percentage composition HARD.

    Hey can anyone help me with this question. A steel company requires 2 tonnes of Fe. the company decided to mine from a site containing goethite. FeO(OH). which contains 31% of the mineral. how much of the goethite needs to be mined to obtain 2 tonnes of Fe.
  14. G

    Choosing Sciences

    I'm going into Year 11 this year at a top selective school and I'm taking the Asian Five (Ext Maths, Adv English, Chemistry, Physics and Economics), plus Geography. My school only lets me choose up to 2 sciences. After speaking to some people who have graduated recently, I've heard that physics...
  15. H

    99.75 | UNSW 3rd Year Medical Student | English, Maths Advanced, Ext 1, Chemistry, UCAT and Medical/Dental Interview Online Tutoring

    Hello everyone, I am a Sydney Boys graduate of class 2020 with an ATAR of 99.75 and am a 3rd year medical student at the University of New South Wales with a distinction average. With over 2000 hours of tutoring experience, teaching and guiding a range of students from all capabilities and...
  16. A

    Private/Group Tutoring for Physics and 2U Maths

    Hello guys, my name is Atef and I am a graduate with an ATAR of 96.45 and marks of 90 in both physics and 2u maths. I have been teaching for 6+years which means that I'm extremely comfortable with the new syllabus since I've seen all the topics at a higher level in University. What I offer: I...
  17. N

    Physics, Chemistry or Biology tutoring?

    Hi, I'm going to be going to year 11 next year and I'm getting kinda stressed about my science subjects. My subjects for next year are 3U Maths, advanced English, Chemistry, Biology, Physics and Geography. I am already doing English and Maths tutoring but I'm really scared of how I'm going to...
  18. C

    Free Tutoring Year 9-11 Chem, Phys, Math Adv, Ext 1

    Hello! I am offering free tutoring for physics, chemistry, math advanced and ext 1 for year 9-11, via discord (preferably) or email. I am just started year 12 this term. I am currently doing physics, chemistry, math ext 2, economics. During my free periods and lunch time I usually help my...
  19. C

    HELLLLLPPPP PLEASEEEEEEEEEEE

    Hi! So for a task in school, we have to design our own experiment but I've spent hours researching and can't find anything. Does anyone have any ideas for experiments I could do???? Please this is urgent. You will complete an investigation, in groups, to explore the equilibrium of carbonated...
  20. P

    Subjection Selection Year 10

    I'm currently not sure what subjects to choose this year for my HSC. I'm certain that I want to take Economics, 3U Math, 3U English but I'm not sure whether to take Phys, Chem or Modern History. I did quite well in a recent Physics test, in comparison with other peers so I don't know if I should...
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