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i see... thanks, I always misread questions. I don't know why we did Sulphur content prac in class then.

cathode is negative in electrolytic. I remeber that and it works.

I first write down the two half cell reactions from the reduction potentials, and flip one of them so the sum of the E values is the greatest +ive answer. eg Pb and Ag Pb2+ + 2e- -> Pb E=0.8 Ag+ + e- -> Ag E=-0.14 now we flip Ag because we want the highest positve E value Ag ->...

Ok, I read somewhere else in the forum that someone got the answer 78% or there abouts. I keep coming up with the answer of 24%. Could anyone explain to me what im doing wrong. My current method: % S in BaSO4 S/(Ba + S + 4xO) = 13.75% Amount of S in BaSO4 = 0.1375 * 1.8 = .2475g % S...

i see now, thanks for the help

but as the moleculer weight increases, the number of molecules decreases, how is this so? It would seem the more molecules you have, the heavier the darn thing would be.

What on earth is the answer??

i did pong, using direct x, which wasnt overly hard. After I finished I added lots more features :) Maybe you could do a simple rts, but build on it after you finshed ur hsc.

whats to stop an inside source from being bribed though??

thanks for your help. I think the HSC writers should get their act together, how ambiguous questions and typos/spelling errors ever make it into the final exam is beyond me, after all the proofreading that must go on (although I think it might be lack of proof reading). They should get an...

Hi What is the error in thius bit of code. The only thing i could think of was the 'validated = true' on line 21 but it makes no diffreence if it is there or not. Also, when it says modify the algorithm, is it acceptable to write "Insert the following between lines 14 and 15" etc

thanks for your help, do if you think of anything else it would be great, as our teacher is big on the documentation side, the actual programs probably only worth 15% of the total maks allocated.

hi, For my major work I am makeing a Pong game. The thing I need help with is what to it in my user manual, the format of it etc. I don't know where to start or how it should look. The text book does not go into much detail on it, excpet that it should contain tasks which can be completed...

Hey, we have to create a visual representation of represents the ways filmic techniques used in two scenes of the movie Witness. We have to show how these techniques develop tension. We have to represent two scenes, one showing romance, one showing crime thriller. The thing is, i don't know...

I hear all this talk about example/other peoples isp's, but i cant find any. Could someone please shed some light