chemistry

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...

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...

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...

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...

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...

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...

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...

TL;DR If you want to go into medicine; 1. take chemistry, and advanced math or higher 2. sit the UCAT 3. apply for early entry into the "Bachelors of Medicine/Bachelor of Surgery" (MBBS) at JCU and Curtin 4. if you don't get in, apply for regular UAC entry into any MBBS 5. if you don't get in...

Hi! I need help balancing an equation for my textbook questions and I have tried everything and I can’t seem to work it out. ‘Why is the following equation not balanced? Find the errors and correct them’ 3Co3+ + 2HPO42- Co3(PO4)2 + 2H+ thank you!

I have a question I need help with and I’m not sure on how to actually work it out. The question is ‘solutions A and B are labelled ‘0.15 M CaCl2’ and ‘0.25 M CaCl2’ respectively. Both solutions contain the same amount of CaCl2. If solution A has a volume of 50mL, what is the volume of solution...

Hello all, I am offering ONLINE science tutoring for HSC students. I am well versed in using the online Zoom platform to teach science, as it is a strong component of my degree. I have been tutoring over zoom for over a year. About me: - current pre-service teacher in my 4th year of a...

Hi Guys, I've been looking at the Year 12 assessment schedule and at my school the prac is worth 40% of internal marks. This year for chemistry, because our school was shut down, our practical assessment task was just at home and we had 2 weeks to do it, so I'm not too familiar with how it...

Hi, I am in year 10 and am looking for advice or tips on subject selection. I am looking to study: 1. English Ext 2 2. Maths Ext 1 3. Chemistry 4. Biology 5. Legal studies?? I am planning on dropping whatever 5th subject I choose so that I have 11 units for yr 12. I am interested in legal...