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June 18, 2025, 10:08:09 pm
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Author Topic: STAV 09  (Read 3337 times)  Share 

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Martoman

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STAV 09
« on: June 05, 2010, 03:39:29 pm »
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Anyone else found this laughable?
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superflya

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Re: STAV 09
« Reply #1 on: June 05, 2010, 03:45:23 pm »
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maybe :P
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Stroodle

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Re: STAV 09
« Reply #2 on: June 05, 2010, 04:00:37 pm »
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yeah. short answer was ridiculously easy. lost 4 marks on this exam.
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menashiiii

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Re: STAV 09
« Reply #3 on: June 05, 2010, 04:11:50 pm »
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have any of you got a copy i could download?:P
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Stroodle

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Re: STAV 09
« Reply #4 on: June 05, 2010, 04:15:38 pm »
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THere's a link somewhere. But here it is again :)
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menashiiii

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Re: STAV 09
« Reply #5 on: June 05, 2010, 04:21:58 pm »
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Quote from: Stroodle on June 05, 2010, 04:15:38 pm
THere's a link somewhere. But here it is again :)
thanks man!
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Martoman

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Re: STAV 09
« Reply #6 on: June 05, 2010, 04:22:23 pm »
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LAWL i lost 4 as well. 3 actually, i need to learn to count

Still don't like this question tho, 18:

1-propene reacts with H20

Is this a hydration or hydrolysis? Its both!?.... bad question i think.

Also q1 if you have then you have to consider the effect of 2 in the oxidation equation.... T.T I usually ignore the coefficients but it not a coefficient is it....

yeah and last question : It can be fermentation as well as a redox/oxidation *sigh* @ solutions.
« Last Edit: June 05, 2010, 04:24:22 pm by Martoman »
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2009: Math methods: 50, Psychology: 44
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2011: Holidaying, screw school.
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stonecold

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Re: STAV 09
« Reply #7 on: June 05, 2010, 04:25:03 pm »
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I remember this exam.  Yeah, I wrote fermentation and was all wtf when the solutions said oxidation.  What should we write on the exam?

And yeah, water plus ethene = hydrolysis, as you are breaking the double bond.
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Martoman

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Re: STAV 09
« Reply #8 on: June 05, 2010, 04:25:49 pm »
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Sigh, so close to getting 100 now.

For the exams i think we'll wait for Mao to act as arbiter here.

Question says: What type of chemical reaction is this. Fermentation is as valid as oxidation.

Quote from: m@tty on June 05, 2010, 04:27:14 pm
~Alkene + water is hydration or addition. It's not hydrolosis as the molecule is not split.

~I got that one wrong too, for the exact same reason...

~Yeah, either.

I didn't know this. Thanks m@tty  :-*. Previously my understanding was hydrolysis = water as a reactant.



Now hydrolysis = water as reactant and splits molecule.

Quote from: stonecold on June 05, 2010, 04:28:48 pm
Damn it, in the NEAP book, they say it is hydrolysis.   >:(

Lol this is where i was basing my knowledge off!
« Last Edit: June 05, 2010, 04:30:33 pm by Martoman »
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2009: Math methods: 50, Psychology: 44
2010: chem 47, further 48, Spesh 49 fml seriously and other yr 11 subs.
2011: Holidaying, screw school.
No. Not azn.
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Stroodle

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Re: STAV 09
« Reply #9 on: June 05, 2010, 04:26:54 pm »
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Is it considered hydrolysis?
I thought hydrolysis was just the chemical breakdown of a compound due to reaction with water.
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m@tty

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Re: STAV 09
« Reply #10 on: June 05, 2010, 04:27:14 pm »
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~Alkene + water is hydration or addition. It's not hydrolosis as the molecule is not split.

~I got that one wrong too, for the exact same reason...

~Yeah, either. Though I'd say the more chemist like answer would be redox/oxidation.
« Last Edit: June 05, 2010, 04:30:13 pm by m@tty »
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stonecold

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Re: STAV 09
« Reply #11 on: June 05, 2010, 04:28:48 pm »
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Damn it, in the NEAP book, they say it is hydrolysis.   >:(
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Stroodle

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Re: STAV 09
« Reply #12 on: June 05, 2010, 04:31:42 pm »
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Man it pisses me off when different books say different things. This is our lives they are messing with  >:(
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Martoman

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Re: STAV 09
« Reply #13 on: June 05, 2010, 04:34:09 pm »
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Q17 is good.

It challenges your preconceptions.

Like i only ever think of an atom as one not as in kagillions. When it asks for number of electrons im like.... yeah 2 electrons  :-\
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2009: Math methods: 50, Psychology: 44
2010: chem 47, further 48, Spesh 49 fml seriously and other yr 11 subs.
2011: Holidaying, screw school.
No. Not azn.
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m@tty

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Re: STAV 09
« Reply #14 on: June 05, 2010, 04:36:43 pm »
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You should look at wikipedia more and NEAP less... .....hydration....


What's question 17? Can't be bothered finding this exam...
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