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Have to agree with you on that one, it sounds way more playful on orchestra :) But I do have to say the orchestral version makes it ten times better :)

lol yeah even I doubt that something like that may appear in our half yearly, but in one of the past papers, the sodium oxide equation was there and now I really don't know what to expect :L

wait, is aluminium oxide meant to look like this? (looks really retarded btw)

Ah that clears it up, thanks :)

You are amazingly selfless for uploading past papers for us prelim people, and thank you so much for this! But I think it would be better for you to spend this time for your self studying (you do 4U :O). No offence intended at all, you have kindly done enough for us and I'm pretty sure we'd all...

for sodium oxide, don't the sodium ions go on either side of the single oxygen ion?

6-6:45 am, but whether or not I get to school on time or not depends on how long I spend in that gloriousss shower :P

bump

How would you represent 4Na + O2 -----> 2Na2O and 4Al + 3O2 -----> 2Al2O3 with Lewis electron dot structures? These ionic compounds are driving me nuts :rolleyes:

Well if the road your bus takes turns into a carpark then reading should be no problem, otherwise if traffic is normal just try go over facts in your head (don't freak out if you don't remember them straight away). Another thing you could do is avoid traffic by catching a bus say 30-40 mins...

Ok then shading it is, thanks guys! RivalryOfTroll did you use paint?:P

When representing a quadratic inequality, say (x-2)(x-5) > 0 on the Cartesian plane, do you shade the areas above y=0 and outside the parabola, or do you simply emboss the part of actual parabola itself that's above y=0 with open circles at the x-intercepts? Or does either way not matter...

That calculator thing really helped, thanks!

could you also solve the same question by squaring both sides?

Grande Valse is my second favourite, and yeah I'm not actually surprised why you'd like it either :) Yeah Chopin's waltzes and nocturnes capture so many moods so beautifully that I'll never get bored of them (hopefully)

http://www.youtube.com/watch?v=B-rgOYwjRk0 It actually sounds a little playable lol

Thanks to all, I'm def pumped for HSC bio :)

^ Have you heard Bach's D minor Concerto 1 for Piano (Harpsichord actually)? One of the coolest things I've ever heard. How about Mozart's flute concerto in G maj? I find it quite happy and blissful (then again, so is almost all of Mozart's music anyway. I think he only wrote one Piano sonata in...

This is awesome! Haven't listened to much Debussy, or any of Wagner but I'll give them a try when my parents go to sleep :P I've got too many, but favourite piece is the epic Rachmaninoff prelude op.23 no.5, really motivates and props you up. Also, Chopin's A flat Major 'Heroic' Polonaise...

Only a minute long, but it's so cute! What I also like about it is that you can really imagine a butterfly flying around, and the pianist's hand also looks like a butterfly :D Gotta love Chopin