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heuristics helps also lead to the most correct solution (mainly in expert system shells) for example you might have a set of facts that state what to do if a car isnt starting properly, but if a certain set of facts are true or false, a heuristic may come into place to say "well its actually...

IF you are not financially advantegous, thats why there is such thing as libraries and seeing teachers after school or emailing them ...

Oi you get your ass on msn :p

• Quantitatively describe the effect of buffers with reference to a specific example in a natural system A buffer is a solution that resists rapid changes in pH when an acid or base is added, control of pH is crucial in living systems. The components of a buffer system include mixing togther...

I think im fortunate though, my teacher is tops! I cant say anything bad about her, I should buy her like some ferror rocher chocolates or something

ethenylbenzene is what i got :(

• Compare the properties of gaseous forms of Oxygen allotrope O2 and O3 Account for them on the basis of molecular structure and bonding Oxygen | Ozone Colorless | Colourless Slightly soluble in water | Very soluble in water Odourless | Pugnent smell BP 184°C | BP 112°C Oxygen is...

Oh shit you're right! no wonder I'm thinking "Why the fuck can't I balance this!?" thanks buddy :D

Don't the plants extract nitrogen from the nitrate? so when it comes down to it, ultimatley its nitrogen for the plants? and respirate or use the oxygen? (help me out here biologists :D) (although why wouldnt they just get it from the atmosphere?)

people think im wierd but i really enjoy chemistry D:

I havent seen any consistency except for the contstant asking of social and ethical issues, they seem to think we're all unethical :O

I was working on the 2004 CSSA Chem paper, are these errors or is my working out really bad ? (I am really really really really bad at calculatiosn for chemistry, its what I lost most my marks for in the trial :() http://img.photobucket.com/albums/v316/casmira/cssa1.jpg You see how the book...

Discuss your opinion of journeys in the development of the haber process. In your answer, Assess the progress of ethanol and relate your answer to the effects of sulfur dioxide and oxides of nitrogen in the atmosphere.

when entering in marks into SAM or JUAI for UAI prediction What do you assume these marks are ? RAW HSC? Overall HSC mark ? Aligned HSC Mark? Trial mark?! I never knew raw hsc mark goes towards UAI so im thinking after entering mid-high 80s for SDD that would be my aligned mark not raw...

since the very first day of general maths i do all my homework given, rarely miss it and i studied hard prior the exam, i didnt get there by slacking off and putting others like me who work hard down if you did no work throughout the year, then finally get annihilated in the HSC and assume...

i studied off the notes of SDD Sam davis / SDD carole wilson / sometimes Sam Fowler Hienemann SDD and my teachers notes the only questions you can really d ois past papers, you dont have time to do book excersises, its not likely they'll ask you book similar questions because they're easier...

last time i checked i was a male :uhhuh:

i have chem/sdd on the same day :( I can't seriously do anymore study i feel so consumed

am i the only one who finds the topic ironic? (sorry i had to pick it out, i dont do spanish :()

raw mark is the mark you get in the exam without any alignment you guys sure only 85? i thought it'd be low 80s