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i was pretty much prepared for everything except the procedure for the electrolysis of NaCl.... grrrrrr

:O where did you get that from? It makes sense. Also in my answer I talked about making sure no CO was present as it poisens the catalyst.

shite.... My max of 93, and estimate of 90 is starting to look very shabby :(.

I said: 1) Need to use sintered glass crucible with vaccum for filtering as BaSO4 is very fine. 2) 1.0g of fertiliser is too little, to more fertilier you weigh out the less % of human error, and weighing errors. 3) Repeat the experiment. 4) Make sure excess BaCl2 was used. 4) Use high...

I wrote about the potential of cellolose if it can be broken up to glucose, as glucose can be converted to ethanol, then to ethene. Then I talked about renewable, biodegradeble.. etc hopefully it will get me full marks :D

i got k=100 :(

Post it :D also, what do you think a 90 raw will be aligned to?

this john: I found an error in the summary: the pH of acids in solutions of the same concentation goes from (strongest) HCl --> Citric --> acetic (weakest) NOT HCl --> acetic --> Citric sorry :(

1) F1 Driver (Already got drivers licence) 2) NASA or Lockheed engineer (Gonna do mechatronics engineering next year) 3) Secret Agent :cool: (I can speak Chinese and English) As you see, im well on track to achieving my three dream jobs.

Catchment area: o Kataract dams. o Isolated from industry and farming. o Plentiful rain. Contamination sources: o Chemical spills from roads, mines. o Pollution in the air. Physical and chemical processes to purify water. o Just all the water tests Chemical additives: o...

sorry mate, I forgot it was case sensitive.

lol :p

Heres a summary I made for HSC physics 2002 syllabus. It should be quite good, shouldn't be any errors as i had my tutor to check it. Hope it helps :D Core (~200kb) http://members.iinet.net.au/~gsgy/Core.zip Astrophysics (Warning.. ~5mb due to pictures & diagrams)...

I used rubber. To answer that dot point: Until 1940s rubber had been obtained from plantations of rubber trees in tropical areas. Due to the war, demand for rubber increased, and supplies were interrupted by the conflict. Consequently German and US scientists developed synthetic...

Hey Im interested in doing engineering, especiallly mechatronics and aeronautical/aerospace. But, what are the job prospects of those courses? Especially mechatronics as I cant find any jobs related to mechatronics on the web. Do these engineering get a decent salary? Thanks, I...

the excell is good for last minute revision though, especially if u havent made yourself a summary. its like all summarised...:P

if anyone is wondering... I am his half 'brother' :P

u leached it from the tutor didnt u john?? ;P or that damn Macmillian book

woot!! your like 91%, neway... mine is around 90%

noooo!!!