Search results

my school rank 387 My updated ranks Adv. English 5/12 3 unit 2/22 4 unit 1/5 Physics 4/45 Chemistry 4/33 We do have some band 6 achievers every year but not in advanced english

Re: HSC 2012 Chemistry Marathon Microscopic membrane filters have microscopic pores and the use of appropriate sized filters can avoid the need to chemically treat the water. The filters can be classified as microfiltration, ultrafiltration, nanofiltration or reverse osmosis membranes...

thanks heaps everyone!!!

thanks anyways u did clear some of my doubts but how did u get all real x as domain for the first one

can someone show me a method of findin domain and range and sketching graph of these functions y= arccos(cosx) y=cos(arccosx) y=arctan(tanx).....thanks in advance

this was asked in maths extension 1???

well u can use- (integral) a^x dx= a^x/lna +c but since there is a function in the power u can use substitution u=2x+1 and then go forward!

for my half yearlies i got (%) advanced english- 84 physics- 80 chemistry- 86 maths ext 1- 98....it was easy gotta admit maths ext 2- 78....killed me!

Strathfield South High School...(enfield)

thank you guys for lifting my spirit up!

serious or trolling???

my school rank- 387 Eng. Adv- 4/13 Physics- 2/45...1st ranked person is just 1 mark ahead of me Chemistry 3/45....1st ranked person is 2 marks ahead of me Maths Extension 1- 1/32 Maths Extension 2- 1/5 Every year we have around 2-3 persons getting band6s in every subject except english..

Re: What happens if i do considerably better than my class in HSC exams when not rank do they moderate your internal mark and HSC raw mark??

for transition metals i dont think there is a pattern. Also, they can have more than 8 electrons (even 32) in their second to last shell and they can also bond through electrons in last shell as well as second last! as already mentioned, there is no point memorising electron config

if u memorise OIL then theres no need to remember RIG, and if you remember REDCAT then theres no need to remember AN OX...isnt it??

if you continue your form, it will be easy for u to achieve just improve english n french

Galvanic cell involves the concept of oxidation and reduction. You have to pick two electrodes (eg Zinc and Copper) and their corresponding salts (zinc sulfate and copper sulfate). You also need nacl for salt bridge and a voltmeter. Remember: OIL- oxidation is loss of electrons RED CAT-...

c1v1=c2v2 c1=0.1 M v1=0.9 L c2=0.01 M v2=? Doing the calculations v2=.9L or 900mL....But u already have 90mL so the answer is 810mL !!

i was reading about lightening protection for power transmission lines and it said that power towers have a cable running between them known as continuous earth line. In case of lightening this cable carries current to the Earth then wouldn't humans be electrecuted...if it is somewhere else...