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Re: stuffed up my half yearly exams help! Don't waste time comiserating, just work your ass off from now on, its a wake up call. i had a similar thing with maths, first in 3 unit, 22nd in 2 unit, so i just decided i would work really hard to ace the remaining assessments (i knew i could with...

i worked throughout it, it was handy to have a job as it distracted me from the stress as well as giving me money to socialise more and buy a car. I had less work over the trial and external exam period. I had an anxiety attack at work on the weekend before paper 2 because i was stressing, but...

its C, i initially put B but its painfully obvious its C having realised that i forgot to caculate the [H+] and rather just the number of moles of H+ ions.

i thought it was good, really happy, but happier that HSC is over

describe a test to quantitatively measure turbdity

is oxygen probe a good enough test as apposed to winklers method

whats winklers method of titration, i do shipwrecks and ive never heard of it, and yeah, i think i know most of the stuff now, its in long term memory, im excited, but i have a question: Describe the recent discovery of elements

i want a big haber process question, or one about drinking water

technecium-99m is easily incorporated into a range of biological molecules. This means that it can be incorporated into molecules that are accumulated by specific by organs in the body. Thus, specific organs are able to be imaged . Cobalt-60 is not taken up by organs in the body, thus it cannot...

"do u know an easy way 2 learn solubility rules?" write them over and over and over and over and over and over and over again as for variables and reliability, they're important in a round-a-bout-way because when you repeat the experiment to achieve reliability, those same variables must...

i do an environmental chemist, they work at ORICA on Botany bay and conduct tests to determine the effects of the ORICA plant on the environment around the harbour and advise on the safe disposal of contaminated waste that is potentially hazardous to the environment, as well as investigate...

Flow injection analysis is a technology now beginning to be used by various local water authorities to accurately determine the concentration in ppm (ppb for some ions, but not phosphate) of phosphate ions in the water. It works by injecting a reagent into a water sample, the products then flow...

dunno about calorimetry which measures energy, but colourimetry on the other hand... Eutrophication is the enrichment of a water way with excessive nutrients, namlely phospate and nitrate. The soluble nitrate content of a water sample can be determined instrumentally using a colourimeter...

we should know the structure of cellulose and show its a condensation polymer, dont really need to have a good understanding of glucose's structure

i think only one is generally necessary to know well, just be aware of how the different processes produce different chain lengths affecting properties

im not so sure about chlorine gas, theres other forms of chlorine added like chlorine dioxide, chloroamine, and then ozone and uv treatment. ph conditioning is important because of equillibrium considerations where the hypochlorite ion is influenced by ph, probably dont even need that much...

nothing like a good old lymeric, read signature :

our school takes it pretty seriously, of course there are some that don't, but on average each year 80-90% of our year 12 cohort have 1 or 2 unit SOR count towards their uai

What did you think of the SOR exam? Was great Was it what you thought it would be? Yep How prepared were you? very well, i had to be, only 10 units Second guess any of the questions? Yep How much did you write? 11 pages for the extended ( i had about an hour and i had heaps of info...

Re: Write notes or type notes ? i agree with 9deuce, typing notes your open to all sorts of distractions, for me i might check my emails, read the news or if im doing an interesting topic i'll google more. Throughout the HSC and prelim i found the best way to study was to write notes from class...