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Can somebody give me a brief outline of thier experiment to view the spectral lines for hydrogen.

In success one p 26 there is a multi choice which asks which way the wire will rotate in faradays famous experiment when the reservoir of Hg is negative and the rod that rotates is conected to the positive terminal. I have read their explanation for the answer and still dont get it. Like i...

In the JRAHS HSC trial 2003 Calculate the volume of carbon dioxide released in the fermentation process when 2.75 grams of CO2 is released. I was wondering since there is two moles of CO2, wouldn't u times the answer by 2?

O.k i thought i knew what the meissner effect was. Here is what i thought it was: The relative motion of a magnet above the superconductor induces eddy currents in the superconducor which by Lenz's law set up a magnetic field to oppose the magnets motion. Since the superconductor has no...

i have some how forgotten the function of the transitor. Everywhere i research it says that the transitior swithches and amplifies. I think i know what amplification is but i cant seem to find out what the deal with "switching" is. Can anybody help me?

i am doing my usual revision and i am stuck on the dot point gather, process and present secondary information to discuss how shortcomings in available communication technology lead to an increased knowledge of the properties of materials with particular reference to the invention of the...

i have seen some of the chicks folios in my class and they are all pretty and on cool paper and stuff. I was wondering can the markers give extra marks for this, and should i do it to my folio?

we have just recently started this topic and our teacher said we should just do this dot point at home "outline the role of a chemist employed in a named industry or enterprise, identifying the branch of chemistry undertaken by the chemist and explaining a chemical principle that the chemist...

this is a question for past HSCers. I am going alright in D&T well at least i think i am. I am confused, is the MDP marked hard. There just doesn't seem to be ne info on past projects and the marks they recieved. I have no idea wether i will get the mark that i am putting into sam as the MDP...

just lately i have been cliking on links and the page has been opening up as it was some time ago. Even when i press refresh sometimes the changes don't appear probably a problem with my computer but anyways :confused: :confused:

i was just wondering when should we apply for scholarships (for university). Some perople have told me that the school will say, others say that i should do it asap. I don't wont to be too late:(

how come after x amount of minutes u get automatically logged off? Can i change this for me at all? It is quite annoying:mad1:

n e 1 been, n e 1 going?

what is the derivative of 2dx where d is an integer

i know what the quote button does but what does the quick quote check box do exactly:confused:

who is going to this, what has it been like for past HSC'ers? It is at the University of Sydney.

hello since we are nearlly half way through the year and everybody has already started their project. I think it would be interesting if people posted there projects, i mean hardly any1 comes on the D&T forum anyway its not like everybody is going to copy. Also if possible include your progress...

does anybody have the same class and teacher for extension 1 and mathematics. I find that i can learn alot easier but when it comes to exam preperation it is difficult to no what work is 2 unit and what is 3 unit as our teacher hates telling us everytime we start a new topic. Does anybody else...

i just found out that the excel mathematics 2004 is exactly and i mean exactly the same as the 1994 excel 2 unit maths and probably every maths excel from then on. what a waste of $30 when the only difference is the colourful cover.:eek:

there are alot of exams for other subjects on the net but i cant find ne exams for chem in these threads. I was wondring if ne 1 had ne chem exams that they would like to provide a link to here.:)