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ones with cationic, anionic or neutral heads are detergents. Soap has a polar head due to the carboxylate group at the end

You take the 5 guys as 1 person (since theyre sitting together) and the 5 girls are one person. We place these two 'people' in a circle which is (2-1)!. And then the 5 boys can rearrange themselves in 5! ways and the 5 girls can rearrange in 5! ways. Giving a total of 1!5!5! Hope that helps

A good way to remember whether to wash with water or solution is; all long and narrow things get washed with the solution going in them (eg. your pipette and burette, which are long and narrow) all containers that have a wider base such as your conical flash and volumetric flask get washed with...

olfactory imagery

I've been writing two body paragraphs for all my essays this whole year (two long paragraphs around 350 words). And for me thats worked amazing, ive gotten pretty decent marks and my teacher says its totally ok to have 2 paragraphs for essays in English Advanced.

All my other subjects have been amazing ngl. Learnt loads and all very intresting

Im not gonna lie, BS is how ive gotten through English this whole year and I think this is good advice. HSC English is just so daunting though. Paper 2, 3 pieces of writing in 2hours is so demanding, physically and mentally. I think practise is what will get me through with that. Also the...

So HSC English paper 1 in 10 days and I am really struggling. I've done well in all my assessments throughout school and ranked 2nd overall at my school in English but the exams ive done at school are nowhere near the difficulty of the HSC exams. I am aiming for a band6 and am having doubts...

Where does it usually sit around? I am talking raw marks here and not HSC marks. I'm getting around low to mid 90's for a lot of the chem past papers and wondering if a state rank is possible. Although I understand most trial papers may not be reflective of the difficulty of HSC papers.

Im not 100% what exactly the specific needs are for you logbook. But you can try stuff like Notion which is really nice for handling projects like major works for HSC and logging and planning each step. I haven't used this one but Evernote is apparently really good (but idk about logging stuff).

I'm doing about 5-7 hours a day. I put most of the work in before trials (which didnt end up happening) but 5-7 has been a good number for me since right now its just touching up on stuff im not sure about and honing my exam skills. Also what atar you guys aiming for. I am personally aiming for...

It's an interstate uni, dont want to get too specific That's fair. I understand it is a complex system.

so using this, my atar sits closer to mid 98 to 99. Is that correct? Given I get similar raw marks in the HSC exam. I guess that would mean my school is giving me a much lower prediction right? Also how much do my ranks play into this, given im top 2 for most my subjects?

Hey all, I was wondering if yall could give me an estimated atar for the given overall mark for my year 12. The school needs to estimate my atar for some courses that I am applying to in Uni and they seem to just use the talent 100 calculator with whatever my overall mark is. I was wondering if...

totally agree with this, i know a good amount of people who've gotten 99+ atar from low ranking non selective schools. Plus, there is a lot of competition in those big selective schools (from what i hear anyway) which could be a negative thing for some students. I honestly don't think going to...

you can work out angle by taking the tangent

Sum up the forces in the x and y component and you can solve the two eqns simultaneously

I'm really struggling with the unseen section of the advanced English papers. Not really sure how to approach it or get better at it. Any advice?

for me, improving in English from year 11 to 12 was, 1. Investing more time into it because it was by far my worse subject in year 11. 2. Actively seeking feedback from literally anyone, especially your teachers and qualified classmates. 3. Making sure that you are doing practice essays or...

So I do MX2, MX1, English, Chem, Phys and Business. Business is clearly my easiest subjects and over the year I've gone by doing fairly well without studying for it too much. This was mainly coz the assessments were either take home or they were tests that examined a specific part of the...