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Re: �*文�*�詞! Actually, I trained myself to be a professional homosexual during the time I've been away. So who was to get spanked?

LOL pay form. I was thinking checks. Hmm... I thought you do chem honour? Or do you just do maths honour, but come to chem building to suck our money away? >=|

Maths 2070... tha'ts financial maths? If it is, then it's fun, though the lecturer is rather monotoneous. Stat was hectic. It's definitely one of the more useful one's. But it's hectic.

LOL @ Templar. BTW who are you doing Hon with? I've seen you around. Also, love your way of signing. BWAHAHAHA, no one can forge that. This might be a bit like (since it's end of sem1 already). I would agree with templar. It really depends on your interest. I did Organic, medicinal side. I...

I would actually recommend you attend a class. A colleague of mine is learning chinese beginners from USyd community class. It's much more systematic that way. Dramas help, but unless you know what's going on, you don't really learn the language. I've been watching Japanese anime for years, and...

Tell them you speak English at home, and they'll let you do it (I think). That's how a friend of mine ended up doing Chinese Cont. Back to the topic though, you should go and chase them up. Like all admins in the world, unless you can prove you are right, they are always right. BTW I heard...

Re: �*文�*�詞! FUCK ME! this thread is still alive?!

I did Chinese BS, I found it rather interesting and fun. Yes, it is a subject scaled badly. But honestly, if you have to do it for the scaling, I feel sorry for you. It definitely gave me a lot more insight into some bits which I missed during the schooling in Australia. Additionally, the...

4 S2O3 2- + O2 + 4 H + ---> 2 S4O6 2- + 2 H2O I think. edit: though it seems, thiosulfate is not stable in acidic solutions. If I recall correctly, you also use iodine in the titration to figure out oxygen concentration somewhere.

Pharmacolgists look at how drugs interact with a living organism. One example on top of my head, is the use of acid/base chemistry. Take asprin for example. It is a weak acid, and in acidic aqueous conditions, sparingly soluable only. - In the acidic conditions of stomach, asprin does not...

Re^ Non-ideal gas sounds about right. Ideal gas assumes no interactions between gas molecules, but in the practical sense, there's always (at least) dispersion forces.

6.8x10^-3 Kg of NH3 produced = 6.8 e6 g NH3 (MM = 17g/mol) = 4 e5 moles molar heat = 92kJ/mole heat produced = 3.68 e7 kJ = 3.68 e10 J

Suphate, so it seems, can be reduced in a lot ways. That makes the question very difficult to answer. Firstly, clearly, alumininium is oxidised: ox: Al (s) ---> Al 3+ + 3e- In the reduction half equations, a number of things can happen: re1: 2H+ + 2e- --- > H2 (g) ... 0.0V re2: SO4 2- + 4H+...

Not something very important, but, it's good to know that not all metals react with dilute (or concentrated) acid. Platinum for example, does not dissolve in sulfuric or hydrochloric acid (though it does dissolve in aqua regia)

Hmmm, really brenton? I'm extremely poor in terms of rate of reaction etc, but seems to be that two molecules of N2O5 will need to collide in order for the reaction to proceed? Or does the decomposition involve two separate steps, and the rate limiting step is the one which involve only 1 mole...

3rd year stuff are quite hectic from personal experience. Unless you absolutely have to, or just love the subject, don't overload. Focus your attention to 24cp (or even 18 cp) and do them well is better than getting Pass'es or even CP's (though I don't think Science faculty offer CP any more).

Re: �*文�*�詞! I'm still here ^^

Ca(OH)2 appears to be slightly soluable according to the sources I have. So it will be soluable in the conc of <0.1M, (heated if necessary)

Nice discovery. Despite the fact that I usually encourage ppl to find out more about recent scientific discoveries, writing it in the HSC risks the marker NOT knowing the most advance scientific discovery, and getting penalised.

Doubt you'll need to know this, but buffering works best when the pH is close to the pKa of the weak acid you are using. ie, NH3 / NH4)+ works best around pH 9 etc