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re: HSC Chemistry Marathon Archive Discuss the use of plasticisers in hard plastics such as PVC. (3 Marks) <--- If you've been watching the news lately then you should have no problem answering this :D

re: HSC Chemistry Marathon Archive You could have mentioned scrubbers for reducing oxides of sulphur and catalytic converters in motor vehicles for reducing emissions of nitrogen dioxide

I have a feeling that creative was inspired by Interstellar ;)

re: HSC Chemistry Marathon Archive Outline how oxides of nitrogen and sulphur can be reduced/removed from the atmosphere. (3 Marks)

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hax

Oh crap Yeah I meant 0.5

Yeah either they're extremely talented or they got lucky (i.e. The teacher was "shooting up" prior to marking it)

Assuming you mean inverse sin(0.5) , the immediate value will be positive and it will most likely be in the given domain - So leave it as it is (This is your first solution) You then use ASTC to see in which quadrant sin is positive (i.e. The Second Quadrant) You then do 180 - (Positive...

This is a bit worrying seeing as you're more than half way through year 12 :/ You should revise year 11 trigonometry because learning how to do these types of questions is very important

re: HSC Physics Marathon Archive Let's get this up and running again Outline Thompson's experiment to measure the charge/mass ratio of an electron (2 Marks)

re: HSC Chemistry Marathon Archive Nah you're response was heaps good You just needed to Justify (This seemed to be the key verb of the question) some of the steps in your method and you should be set for the 6 marks :D

re: HSC Chemistry Marathon Archive Method (The Pentyl Acetate/Ethanoate Ester): 1) Place 10 ml of 1-Pentanol, 12 ml of glacial acetic acid and 1 ml of concentrated sulphuric acid into the reaction flask. 2) Add a few boiling chips, which are not made of marble, and assemble the refluxing...

I've always wondered What's life like in the highest ranked school in the state?

Yeah enigma beasted Mod B :3 I honestly don't know how people write an essay without memorising O.o

Yeah I'm planning to do a generic half-essay for Module B I will take the most adaptable speech and write 500 ~ ish words on it Then I'll write up some notes including quotes, techniques. etc. relevant to the other speeches My No.1 fear is that I will be penalised for an imbalance of text :/

re: HSC Chemistry Marathon Archive Never heard of the Farsh process before But I have heard of the Frasch process if you want me to answer the question on that ;)

Keep in mind that it's difficult to Band 6 subjects like Mathematics Extension 1/2, Physics and Chemistry

re: HSC Chemistry Marathon Archive For drawing diagrams and tables But the interior of these tables and the labelling of diagrams should be done in pen