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^ lol this guy EDIT: woops there was a guy that was spamming notes ad. not meant to belittle someone's answer :/

:thrust:

:rudolf:

Re: HSC Chemistry Marathon 2016 Yeah like leehuan said it's water vapour. However, keep in mind that for molar heat of combustion, it's complete combustion with products being liquid water and CO2 gas (Conquering Chemistry p36).

:guitar:

:hammer:

:sun:

Yeah I've heard good things about Project Academy as well. Another one that my friends say is pretty good is Keystone Education in Surry Hills (Sydney CBD, might be a bit far for you though). The guy that runs it was an old boy, got 5 state ranks including economics.

Hi roy, The site only allows for USD, EUR, GBP or JPY, so I figured USD might be the easiest. Thanks for your kind words :)

:santa:

:jump:

3U should be same. I know a couple of guys who got 100 in my school and didn't get SR.

:cool:

:jump:

:party:

It's still amphoteric since it acts as both acid or base. I think all amphiprotic (proton donor or acceptor) are amphoteric (act as acid/base) but not all amphoteric substances are amphiprotic (eg zinc and aluminium oxides are amphoteric but not amphiprotic, cannot donate or accept protons).

Re: State Ranking Chemistry Tutor | 97 HSC Mark | Summer Holiday Tutoring :spin:

Chemistry (Option: Industrial Chemistry) MC: 19/20 Short Answers (Core): 53/55 Short Answers (Option): 19/25 91/100 raw ----> 96 exam mark.

am i the only person using felt tips :/

Re: State Ranking Chemistry Tutor | 97 HSC Mark | Summer Holiday Tutoring :jump: