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I DIDNT STUDY FOR IT AT ALLLLL because i was focusing on chemistry (had it first) and it was okay, easier than the CSSA trials :) you ?

re: HSC Chemistry Marathon Archive 'explain' hahah

re: HSC Chemistry Marathon Archive can someone explain to me HOW ozone destruction is accelerated in Spring, particularly in Antarctica ???????

re: HSC Chemistry Marathon Archive Yes a buffer solution is one that contains comparable amounts of acid(H2CO3) and and its conjugate base(HCO3-), vice versa base with its conjugate acid, doesn't matter if its either it both maintains a constant pH

re: HSC Chemistry Marathon Archive THANK YOU, you're a legend

re: HSC Chemistry Marathon Archive Thanks for the responses guys, now I have a question I got the answer right.. but I can't remember how, can someone please work this out showing each step clearly thanks. A student measured the heat of combustion of 1-butanol, by heating 200g of water...

re: HSC Chemistry Marathon Archive I have a feeling a similar question will be in the exam this year.. did it to refresh my memory haha Ethanol is a versatile solvent that has many adv and disd. Advantages- - Ethanol as a renewable fuel: ethanol is produced from renewable sources...

Thanks guys :)

in my school notes it says 'slightly polar' and other resources say non-polar ???!

wait what :confused:

CHOOSE SUBJECTS YOU LOVE/GOOD IN, not something that will help you in uni, at the end of the day you want a desired ATAR and won't get that if you choose subjects which you think will help you. And biology is a heavy content subject.. Yes quite fascinating but it's full on and you have to keep...

obviously by looking at the pattern of questions, repetition of a particular syllabus dot point etc. **ANYONE whoops typo

what did Q15 ask ?

couldn't agree more ^

not too sure as it clearly stated "visual accommodation" = accommodation means the focusing of lens at different distances brought about changing convexity as Cataracts is the clouding of the normally clear lens :(((

That wasn't an easy exam.. did everyone finish in time/have extra time left ? some people left an hour early..

This is completely irrelevant to this topic, but it's in the forensic chemistry option topic .. Can someone please simplify the process of Mass Spectrometry ???!!! Thank you very much appreciated :)