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err 4U isnt marked outa 50.. neither is 3U when u do 4U

memorised my essays and got 93! go the memorising people that cant write for crap under exam conditions

ceremony takes place 2morrow, so we shall hear :D

officeworks

there are more than one type of the pill. one type DEF causes weight gain.

there are different types of "the pill". One type, however, does generally cause weight gain -- its the one they use to treat a type of acne.

advil works like a charm

am magdy? what does that mean? is that ur name? anyway, the stuff i have on PHB: produced by organism: alcaligenes eutrophus (A. eutrophus) Development: • Maurice Limoigne first produced PHB in 1925. PHB can be produced in a lab by feeding bacteria a diet rich in nutrients until large...

wat that the markers will be lenient?

did many of you guys put the initial increase/decrease in products and reactants?

OH, holy crap he's right, all concentrations should have shot up by a little at first, then gone up/down according to LCP, then eqm established. SHIT! but, as captain karl said, it was worth 2 marks.. i guess it all depends on the marking guidelines :(

i agree with the second part of your post; that the increase/decrease is proportional to the molar concentrations, but when increasing/decreasing the pressure the concentrations don't shoot up/down. They only/shoot up or down when your increasing/decreasing the concentration...

well, it said evaluate (or was it assess?), so i mentioned that the methods are a balance between effectivness and cost, and mentioned membrane filters.. didn't really blab on about them too much. The "methods" they were refering to were things like aeration, flocullation, sedimentation...

lol, im sure they were nice looking curves :P no, theres nothing in industrial, but industrial kids are more exposed to that sorta thing, so they woulda done it better i suppose

your all right, however, they decrease in the same ratio of their no of moles (i think thats what seadonkey was saying), eg, NH3 increased 2 cm, hydgrogen decreased 3cm, and nitrogen 1cm... does that make sense?

sounds familiar

yea it is, but what industrial kids are taught: h2so4 --> H+ + Hso4- then Hso4 = (eqm) H+ + so42- but... the point is, that thats taught in the elective. generally, h2so4 is diprotic, so the answer would have been a.

thats industrial stuff, is it not?

could do i suppose... but arn't we told in estrification to add the same volume of alochol and alcaonic acid?

there was so much involved in that question though, i mean after the distillation (xrtzx, yea, thats how u purify ethanol), you had to weigh the ethanol produced so you could get the same amount of butanonic acid, then carry out estrification (remembering the hs2o4 and the boiling chips...