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when i enter username and password I can't log in to SAM same page keeps appearing? Anyone help.:confused:

does anyone know the experiment on -observing colur changes of a named transition element How was this prac done? Any help would be great!!!

has anyone got the independant trial 2003 answers????:confused: :confused: :confused: it would be a good help if someone did.:D :D :D especially for the option topics, in particular chemistry of art. thanx.:cool: :eek: :cool:

he cause i did chem of art by myself and the rest of my class did that shity shipwrecks, i didnt get a chance to do any pracs but i found stuff on the KMnO4 prac and the flame test are simple.... so anyway heres the dot point - perform a first hand investigation to observe the colour changes...

did ne one else prove q4 (b) [111] to be ab/2 instead of ab?

Does anyone have the name of a critic that has a feminist context statement on Cloudstreet? If so could you please post their quote. Any help would be great as none of my reviews can help here.

seeing there are no answers for these questions i need someone to check if i got this question right.... Q5) (i) a paticle moves in the x-axis with acceleration at postition x given by dv/dt = -p^2x where p is a positive constant. If at zero time...

Does anyone know where to get the answers to old HSC papers like the ones on Dr Buchannans website?

Would anyone have have any info on this dotpoint please _Perform a first hand investigation to observe the colour changes of a named transition element as it changes oxidation state. HSC Advice Line didn't have much info on this.

does anyone out there know the bacteria involved in the fermentation process to do with PLA's (polylactic acid)???

another question from our friends at cambridge. can someone show me how to set out this question. exercise 3.3 note: .0 is theta Q5) P(asec.0, btan.0) lies on the hyperbola x^2/a^2 - y^2/b^2 = 1 The tangent at P cuts the x-axis at X and the y-axis at Y. Show that PX/PY =...

the only annoying thing about cambride is that there are no worked solutions...... oh well. exercise 3.1 q7) P lies on the hyperbola x^2 - y^2 = 1 9 72 with foci S and S'. a. if PS = 2 find PS' b...

yet another question from the diagnostic test in the cambridge book, i wish theyd put worked solutions in the back like the lee book; nehow..... Q14) use De Moivre's theorem with n = 2 to show that cos 2 = cos^2 - sin^2 and sin 2 = 2 sin cos. hence show that tan 2 = 2 tan / 1 - tan^2...

This question is from the cambridge book but i cant seem to get the same answer as them, and bacause the solutions arnt worked at all........ i though i someone might be able to shed some light on it. solve. x^2 + (2 - i)x - 2i = 0 (its question 4(b) in the diagnostic test 2)

how come no1 puts threads up. comon all u woodworkers. im building a billiard table and its lookin very nice, i cant wait to shoot some shtick on it with all da boyz. + my folios lookin very fat. So, whats every1 else building for their major works and how much have use got 2 go???

who here thinks that english should be a compulsory subject, or that at least the marks in english can be discluded if you have enough units.

Could someone solve this question as I think the answer in the textbook is wrong. 30ml of 0.374 mol L -1 sulphuric acid is diluted so the concentration becomes 0.110 mol L-1. The volume of water that must be added is:

Q: let A = 1+i and B = 2-i. Draw sketches and show the loci specified on the argand diagram by lz-Al = lz-Bl if someone could just tell me how to do and sketch this question it would be good.

Q: define the modulus lzl of a complex number z. Given two numbers z1, z2 prove that the triangle represented by the complex numbers 0, 1, z1 is similar to the triangle represented by 0, z1, z1.z2????

Q: draw neat labelled sketches to indicate the subsets on an argand diagram. z: lz-1l < lz+1l