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Finished at 11:05 this morning with bio. Studying now only makes me even more pissed off reading the textbooks and knowing I got a question wrong or knowing I left out something. So for now...I'm steering way clear of my desk...

We used just mashed up some red cabbage with a mortar and pestle and strained it through a filtering apparatus with water, and presto. Acid-base indicator.

Not the first time I've heard or read that?

Took me a while to find a way into building 41 for the medical physics lecture because of the the bloody construction site around it :|

I regret stressing about the SNAP and ELLA tests back in year 7 and 8... o_o

I'm suprised this person actually got through year 7 - 10, let alone year 11 and 12, just by reading that response.

If anyone knows of a website, or has a worksheet they can share that offers any sort of cost comparison of cellulose as a source of petrochemicals vs crude oil, that would be greatly appreciated :) I've searching around for a while now...still am...suprisingly it's been a bit of a dudd. Cheers

Re: Need help to write out experiment with chyclohexene and cylcohexane and bromine w As far as I know, the colour change is only in relation to whether the solution is an alkane or an alkene. Correct me if I am wrong.

Oh, and in answer to your questions... Calculate the mass of ethanol that can be fermented from this amount of glucose. {[You] got 349kg...) With the overall reaction of fermentation being... (hope you can figure out where the subscripts are) C6H1206 (aq) -> 3C2H6O (aq) + CO2 (g)...

I recall in my chemistry preliminary exam, I still got full marks for a particular question, even though the answer was wrong, my calculations were correct. So I guess examiners are more concerned about how you got your answer than what your answer is (not saying that you shouldn't try to get...