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why would you do 14 units -_______-

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Dude you should be ahead of us all and get a higher mark then all of us. Idk about anyone else but my mentality for those who accelerate is that they should blitz the subject. Year 11 is a bludge. You have a whole year to prep for 1 subject. Meanwhile in year 12, you have at least 4 other...

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yeap

You're bothered :P

Nope. Anyone else tried the multiple choice? I really liked it.

Thank you! :D

Enigma and SSH 4/4 3. The molar heat of combustion of ethanol is 1367kJ/mol What mass of ethanol is required to heat 1.0 moles of water by 10 degrees. a - 136.7g b - 46.0g c - 25.3g d - 0.025g

Are you going to do the paper tonight?

My equation shows it's in equilibrium :p haha nah my answers is shit, i couldnt be bothered :p

You're looking at 67-70 Plus it depends on your cohort. You're ranks are not at that great and if you ace externals, it will depend on your internal mark.

Bold part - i worded it wrong. It is made of equimolar amounts of acid and base. hahah write your answer?

Please post on this thread when you do :D thanks!

A buffer is a solution which is made of equimolar amounts of an acid with its conjugate base (weak acid) and its role is to withstand pH change when small amounts of an acid or base is added. An example of a buffer in a natural system is the carbonic acid buffer, which helps to try and maintain...

New question?

Ohyeah obviously they'd get a 6 because the sample answer addresses the marking criteria, whereas us, in an exam have no clue as to how to structure or where to get the 6 marks from. Come on, as if you're not going to brain dump everything you know in detail in order to ensure your 6 marks. We...

why are you doing your hsc after you finish uni? ;P

http://www.boardofstudies.nsw.edu.au/hsc_exams/hsc2012exams/pdf_doc/chemistry-hsc-sample-answers-12.pdf Everyone read the sample answer they have provided (Question 33). It's not even worth 6 marks, max i would give is 4, and that's me being very lenient.

hahaha -.- get on your computer