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Don't worry we'll sendhelp (i.e. Some top notch lube)

Its slightly polar since it's a bent molecule Oxygen on the other hand is non-polar

This would put a smile on InteGrand's face haha (Assuming the content will actually be more difficult and less Rote)

I had a quick skin through - It seems a lot easier than the 2014 paper Thanks for the upload Trebla :)

BOS Trials is meant to be a lot harder than HSC exams It's meant to be for the students who are comfortably in the high band 6 range to take their skills to the next level

re: HSC Chemistry Marathon Archive Example of Saponification: Glycerol + Stearic Acid ---> Glyceryl Tristearate + Water Glyceryl Tristearate + Sodium Hydroxide ---> Sodium Stearate + Glycerol So in a way, is glycerol being regenerated?

Only 2 passes :blink2: What's the highest mark recorded for 2u BoS trials (from previous years)? What percentage of the students who sat the test do only 2u?

Re: HSC 2015 2U Marathon Yeah it's correct Just a heads up though, markers (apparently) prefer if you draw an arrow to the x^2 = 4 saying "Reject/Disregard Since x has no real solutions (discriminant < 0)"

It will honestly depend on the difficulty of the exam In 2013 the 2 unit exam faced criticism for its difficulty, it was reported that a raw mark of 92 aligned to a 97 Just aim to do your best - Don't spend too much time on questions you don't know how to do, just skip it and come back later...

Re: 2015 Business Studies Marathon ^ Going by this I guess you'd mention a business that sells a more durable / non-perishable goods ?

Yes because the perpendicular distance will be the shortest distance from that point to the line They often ask "Find the shortest distance from Point A to the line y = ... " and so you use the perpendicular distance formula

He's mentioned it quite often and openly on the forums haha

inb4 BoS pre-maths hakk meat

All of the websites I come across seem to say that its necessary to distil and remove fat droplets to complete the process and this also indicates when the process is complete :blink2:

Yeah try sleeping in a bit so you don't feel tired later on in the day Also have lunch a bit earlier so that you can go to the toilet before the exam rather needing to take a dump during the exam

Mhhm I would give it for free if you're willing to travel But ... Would you have any spare computer parts by any chance in exchange? I'm planning on building a PC post-HSC

Do a bit of A, B and/or C Do A as long as it doesn't involve past papers otherwise you will stress yourself out

Yeah same here tbh don't do any past papers Just skim over some theory and relax a bit

re: HSC Chemistry Marathon Archive Yeah I do Industrial haha, I probably should have put concentrated acetic acid or something along the lines of that

re: HSC Chemistry Marathon Archive Oh crap I used the wrong acid gg I wanted people to realise that using the sodium hydrogen carbonate will cause a neutralisation reaction which is EXOTHERMIC so the water is preferred ...