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you think u could scan it ? I'm at page 140 but i dont see anything, maybe a different edition.

(i) N = L/d^2 sum N = L/x^2 + L/(m-x)^2 (ii) differentiate with respect to x and solve normally (m and l are constants)

because i said on the table. There is no equation for oxidation of K+ on the table. So it cannot be determined, although i would suspect K+ would be weaker in reality.

Twins paradox only happens in inertial frame of reference.

Reducing agent, undergoes oxidation, oxidation is loss. K+ isn't going to lose any more electrons (it's gonna be very hard) Thus its a very very weak reducing agent. On the standardp potential table: F2 is the best oxidising agent. K is the best reducing agent. K+ is the weakest oxidisnig...

1) Cr2O72- + 14H+ +6e- --> 2Cr3+ + 7H2O 2) Michelson-morleys equipment was very precise at the time, scientists believed that if the sensitivity of michelson-morley's equipment could not detect the aether wind, then it did not exit. Scientists began to doubt the aether when the null...

i think this is equivalent of the twin's paradox. Both are correct and contradict eachoter.

what do u mean your no way good enough for 4u? if ur shit at math, you'll be a shit engineer 4unit isn't that much harder from 3u, u just need to put in the effort :/

Some university coures have pre-requisites. The two big most common pre-requisites are mathematics and chemistry. I think its pretty essential that you do atleast 2 units. It will be beneficial if you do 3. Although i would think 4units would be best, as engineering is heavily math based.

How is a textbook with solutions different from your MX2 teacher.

It's because dotpoint is a bit superfluous on some points. Like name some of the factions and their uses in petroleum. WELL, we don't really need to know this for year 12, and all its doing is clogging up memory. On more important points, dotpoint just isn't enough.

I assume you are refering to moles per litre. In which case the first number has less significant figures then the second. This may or may not alter your final result, however generally in HSC it doesn't matter that much.

its like. you go an ellipse. and it asks you what does PS + PS' = ? Then you go about using the distance formula etc etc. and after about 50 lines of working you get that it equals 2a. are you still "correct" ? edit: my point is, if you are teaching yourself, solutions are essential.

hint: for the tangent on the smaller circle. You need to use the general tangent formula. y=mx+-root(a^2m^2+b^2)

Draw it roughly We can see that it's an alkane from the singular bonds, but theres a chlorine atom attached at the end, so its a haloalkane. We count the carbons theres 9 the prefix for 9 is nona- So the molecule is 1-chloro-nonane. 1-chloro is the prefix for chlorine atom attached to the...

Re: Pressure From Parents All he means is that, there are better ways to raise a child. Teaching a child diligence is much better (and much harder), in the long run, than to force him to be dilligent. If the only time u do work is when your parents force you to, once you leave home and hit...

which topics exactly. edit: are u interested in MX2 i mean.

math olympiads. edit: google it.

then why don't u take up my suggestion of amo/imo/comp mathematics. It will give you a broader knowledge on mathematics, and is definitely much more challenging than the math you are doing now. MX2 is nothing that special imo.

Heres a question. Why do you want to do MX2 so soon?