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It's part of measuring dissolved oxygen in water, for which the oxygen-sensitive electrode can also be used. The dot point is: Identify that water quality can be determined by considering ... dissolved oxygen. It does not specifically state that we need to know how the electrode or...

Ragerunner is, but he isn't usually around.

a - We're not clear on which answer is correct. "Poncey" is not a word. b, c and d are empty insults. Leave your rude remarks out of educational forums. Consider your post reported. EDIT: Nosadness, we don't know each other.

Argh, fine. :p I know, let's call the HSC help line ... which closes ... now. :( Chrissie, this is a chemistry thread. If you're not planning to contribute to our discussion, please leave. If you have a problem with me, PM me.

I don't mean to make her sound like even more of an idiot, but she doesn't know me, not even on BoS, as she's had only 3 posts. :p We're going with phenyl ethene, but maybe we should write both phenyl ethene and benzylethene in the exam just to be safe. Do the last 6 posts all belong to...

Poor girl, you don't learn by firing unsupported insults at people. Grab yourself a CC and get cracking. Kthnxbai.

LOL. Alright, it's settled then. THE WINNER IS ETHENYL BENZENE.

Wow, I'm so hurt. Where in the world did that come from?

JA!

Look up, I already answered that question. Phenylethene is not the polymer name. Mednez: Frustrating, huh? Try going to a tutoring class where a the teacher is a real chemist (gasp!) who contradicts everything you're taught at school. :p

I really don't know. IUPAC should organise themselves. :p I say stick with benzyl ethene. The other ones could be right but benzyl ethene is logical. The polymer is not phenylethene. :p Additional polymers usually start with "poly". The polymer is polystyrene, and if you fancy...

Lol! :p I just don't know who to believe anymore. Every teacher has told us that benzyl ethene is the accepted answer, CC says otherwise, and apparently so does the site up there. :p At this point I'm thinking benzyl ethene and ethenylbenzene are more likely to be correct. CC's...

Benzyl ethene. :) Makes more sense than the other ones, if you think about it. :p

I have the new one. It has both in it. Ethenyl benzene is wrong too. :p

I know, it has mistakes too - such as naming styrene as phenylbenzene. I still love it. Probably because I'm so used to it. :p

Thank you.

Can anyone help me with question 7, part b), section (iii)? The long part. :) http://www.boardofstudies.nsw.edu.au/hsc_exams/hsc2003exams/pdf_doc/mathemat_ext1_03.pdf

*Jealousy*

Lavoisier, Davy, Arrhenius, Brønsted-Lowry. No Lewis. :)

Go the Conquering Chem ay? ;) Know about Benedict's solution, know of the others, and don't worry about the equations.