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Thank you heaps for posting this. Im in year 12 and I was thinking about doing engineering even though I only do MXI and no HSC physics or MXII. Your post was really reassuring!

Re: Why do we need to ensure that the mole ratio (N2:H2) remains 1:3 during the Haber Sorry, I don't think my question was very clear ... In Jacaranda, for example, it says: "Although LCP predicts that the equilibrium can be shifted to the product side by increasing reactant concentration, it...

Why do we need to ensure that the mole ratio (N2:H2) remains 1:3 during the Haber process? If we increase the concentration of one reactant, then this would shift the equilibrium to the right which favours the production of ammonia (forward reaction)... The textbooks (i.e. Jacaranda and...

That makes sooo much sense now!! Thankyou sooo much *rep*

Im currently studying galvanic cells and calculating the standard cell potential. As such, I know that the standard cell potential is the voltage which is the potential difference between the two electrodes... In that case, why do we add the potentials of each electrode? (and not subtract) The...

Yeah i thought that too =/ But i wasn't too confident in that answer either.

The following is a question from my textbook: "Acceleration due to gravity is 10 m/s/s. A body is projected HORIZONTALLY from the top of a building 125 m high with a speed of 10 m/s"... I know how to answer the questions given, however, a theoretical question is given in the end that i don't...

What did you think of it? I thought it was really enjoyable and informative. My favourite speakers were Scott Haslem and Ross Gittins =P

I do have Adobe Reader but for some strange reason everytime i press download, the page just refreshes and nothing happens... However, the downloads work perfectly fine when they are .docs or zip files etc.... This, for example, I am able to download (but its preliminary unfortunately)...

Thankyou for the link but unfortunately, I am unable to download any of the pdf files (only .doc files) and only a few of the papers are .docs, most of them are pdfs. Does anyone else have any? Thankyou

Bump =)

Hey all =) Does anyone have any Chemistry past papers? Specifically from selective schools, such as James Ruse, Baulkham Hills etc... Thank you so much! I really appreciate it =D P.S. Please don't post any banned past papers like independent, CSSA, etc....

Haha my apologies! But I have to say, this thread is quite interesting =P What about you Aerath? How do you write your 7's ? =D P.S. How do i edit my poll so that everyone can see who voted for which option? Thanks

Lol I love those squiggly brackets, it took me a while to actually get them right though =P I hate it when the pronumeral in a question is 't' because I always get it confused with the + sign, even when i curve the end of the 't'... -_-

I'm not alone lol =P

I write the number 7 with the extra dash in the middle and I didn't really notice it until my friend pointed it out today... So it got me wondering, how do you write your 7s? P.S. I hope this isn't in the wrong section. Sorry if it is :(

oops sorry, my bad... I was typing too fast haha Thanks so much for your help! I really hope you state rank in one of your subjects! =D

Thanks so much for your help *repped* :) Can these also be possible answers? - More foreign investments in Australia increases debits in Capital and Financial Account. This also increases the demand for the $AUD, thus an appreciation. - An improvement in the Terms of Trade (as seen in the...

This syllabus dot point comes under 'Students learn to': "Analyse the impact of changes in the components of the balance of payments on the value of the Australian dollar". This dot point confuses me because I always thought it was the other way around. That is, changes in the $AUD affect the...

Hey thanks for your answer, I know how to work it out, i.e. sub x=0 etc... I just dont understand why they dont add C on the LHS when they've added it on the RHS.