chemistry

Math: Year 9-10 Ngo and Sons homework sets. Have it all for $10. I have notes too for free if you want Year 12 HSC Math private tutor notes and problem sets (3 folders of problems and hand written notes across a few books) buy all for $20 Year 12 HSC Ext 1 Math Dr. Du homework booklets, DONE IN...

Hi guys, I am in a really tough spot right now, I recently moved to a senior high school and I have obviously been adjusting really terribly cause my grades have absolutely plummeted. I have 'completed' almost three HSC tasks for the chem HSC this year and I haven't gotten past 30% for either of...

Hi, I recently received a depth study for Chemistry, in which we are tasked with creating a in depth question about the application of catalysts in the industry. After this, we will have some sort of in class assessment, for this. I am not sure what question I should do, and what they might ask...

Hi, I'm wondering if anyone here has done the Macquarie Uni study lab for physics and/or chemistry and if it is worth buying. (it did not let me post the URL) Thanks, Dhwanit

Hi Everyone! I am a part of a group of 2021 HSC graduates who collectively achieved ATARs ranging from 96 - 99.85, excelling in a variety of subjects including; Extension 1-2 Maths, Advanced English, Chemistry and Physics. Being from different schools, we decided to compile a Google Drive...

Hey everyone, im a Year 11 student but im accelerating in Chemistry. I’m doing Module 7 right now which is Organic Chemistry, tomorrow is my first Year 12 exam on this topic and its worth 25% which i think is a lot. Im screwed, basically, because i started school a week ago and already theres an...

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...

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 😊

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...

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.

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...

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...

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...

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...

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...

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!!!!!

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

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!!!

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.

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...