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Here's my working: 2KI + Pb(NO3)2 --> 2KNO3 + PBI2 n(KI) = Cv = 1*0.023 mol n(Pb(NO3)2) = 0.077 mol Limiting reagant is the potassium iodide and from the formula, you need half as many mols of lead nitrate i.e. if we're using 0.023mols of KI, we're gonna need 0.0115 mols of...

'Helping people' can only get them so far. I refrain from actively offering assistance to other people in my Chem/Phys/Maths classes now cos I know for a fact they'll just go home and play LoL/Dota for hours on end and forget everything I've helped them with. If they're not putting in the hard...

Copied ma thread lel. Doesn't matter, this is probs a better place for it. 35/50 in the eco one, spewin cos i missed a HD by 2 marks. Also, I'm pretty sure q27 should've been C instead of A

Your school might only be getting you to do 2U assessment tasks as a 'safety net' in case you choose to drop 4U. The 2U test is held at the same time as the 4U test so it's literally impossible to do both. If you're enrolled in 4U, 2U doesn't come up on your BOS subject list. I'd say just make...

I'm assuming everyone's got their results back for the 2014 UNSW Economics Competition? I found it to be a really enjoyable quiz/exam haha even though they did it in May so I had no clue for any of the policy questions. Spewing that I missed a HD by 2 marks though :( (I got 35/50). So how'd we...

100 is a relatively good school rank (contrary to what the people on this website will tell you haha) so I'd say top 5 should be ok for 95+, but aim for top 3. Be glad you don't go to a ~300 rank school like mine haha, the pressure was on for 1st in all subjects.

Nah man, E4 cutoffs for MX2 have always been in that range. Average of 65, maybs 63 for a hard paper, potentially even 66-67 for an easy paper

Btw thanks for putting this up Mreditor :)))

That's a little sad - 80-81% in 4U usually gets you around 95 and 86% gets you 96?! So a 6% difference for 1 extra HSC mark??? That's the area that I'm sitting around. 95 is a great mark but jeez there's some diminishing returns there

Yes finishing up to 7 with 40mins-1hr is the norm, but I got up to 8 with like 10-15 mins left today... I realized my problem though. Take a look at the circle geo in the 2010 paper - the last 2 questions had me stumped and instead of moving on I sat there stubbornly trying to get it out to no...

That's a good outline. That's the thing that was tripping me out though, why should q5-q6 take as long as q7-q8? Weird.

How do you all ration your time in a typical 4U HSC paper? When I do the pre-2012 papers, I can generally be done with the first half of the paper relatively quickly but then something happens and I get up to Q7 with only 40 mins-1hr left. Maybe it's because they start dropping conics and circle...

So Microsoft builds their PR and organisations like those that research treatments and cures for Polio get funding. Seems like a win-win to me...

You sound like one of those "I'm not racist buuuut..." kinds of people. Generalizing isn't a good quality for a doctor to have, in fact it's a terrible one (in the diagnosis sense)

That last sentence is pretty judgmental and misinformed. I'm aiming for Medicine too, but to regard someone as a 'scumbag leech of society' for a career choice is contemptuous and makes you sound like you're projecting your own insecurities. You can do wonderful things independently of your...

LOL hell yeah! Good snake brahz

Doing Q2Q atm. Pretty nice topic, much better than Ideas2Imp in my opinion.

Solid theory actually.

Re: Can someone give me any advice on getting into aerospace engineering with a low a With respect to what's been said though, OP didn't mention getting in DIRECTLY. Even though he/she does General, there's surely some alternative pathway they could take e.g. transferring in from another course...

The website says this: "You could follow a career in any of the following: general dentistry practice specialty dentistry practice public sector dental health Australian defence forces (Army, Navy or Air Force) hospital dental clinics international healthcare education research...