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The question 23 from 2009 shows that CO has been removed from system thus indicating the rapid decrease. So to make up for some of the lost CO the equilibrium shifts to right hence why the concentration of CO increased again.

I got like 0.84 (2 sf)

answer is y cell y

For questions 13, A and B both satisfy that a rapid increase would occur, however the answer is A as the equilibrium always decreases in the concentration after a rapid increase.

dont worry

Just wondering if anyone can post past physics trial papers such as independent, CSSA and any other good ones. Would reeally help my study for my trials. Thanks

Just wanna know if anyone did the new 2014 western region ext 2 paper and the difficulty of it.

Just wanna know if anyone has done the new 2014 trial paper and the difficulty of it.

I think you should really stop giving atar estimates. You must seriously have no knowledge, my brother attended the same school as me and was receiving pretty much mid 70's and low 80's in those same subjects. He came out of the HSC exams not feeling confident and received a 92 atar ( this was...

School ranking is 431 Subjects marks and rankings are: English Advanced: 84% 2/20 Chemistry: 91% 2/9 Physics: 82% 3/10 Maths Extension 1: 83% 4/6 Maths Extension 2: 75% 4/6

Yeah im doing my hsc this year btw, must of accidently put that i completed my hsc in 1998 lol.

Lol, well i hope you do well. Would you know if the paper you did was a CSSA or Western Region or some other independant trial exam?

Just want to know if anyone has completed there trials for maths yet because i know some school do them earlier than others. If so, which paper did you do and did you find it difficult or not?

Just want to know if anyone has completed there trials for maths yet because i know some school do them earlier than others. If so, which paper did you do and did you find it difficult or not?

hi just wondering you if you have the western region 2013 MX1 and MX2 trial paper? we could exchange if you like. Thanks :)

Just wondering if anyone done the western region MX2 or MX1 trial and want to know the difficulty

Whoever has the western region 2013 MX1 or MX2 can pm so that we can trade those papers for my around 150 past trial papers with a year range from 1997-2013

Whoever has the western region 2013 MX1 or MX2 can pm so that we can trade those papers for my around 150 past trial papers with a year range from 1997-2013

Exchanging all trial papers. Anyone whos has the western region 2013 ext 1 maths paper i can exchange it for any other trial paper you are after. Just pm or post on thread

Hi i just answering this question from the 2008 physics hsc paper: Compare how electric current is conducted through samples of germanium at room temperature, mercury at room temperature and mercury at 3 K (T for mercury c is 4.2 K). When is reading the sample answer it stated that...