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September 17, 2025, 02:15:44 pm
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Author Topic: VCE Chemistry 3/4 Examination 2015 - Discussion Thread  (Read 17376 times)

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Bruzzix

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Re: VCE Chemistry 3/4 Examination 2015 - Discussion Thread
« Reply #45 on: November 10, 2015, 04:06:09 pm »
Quote from: zsteve on November 10, 2015, 03:38:24 pm
Hmmm... do you think my response would be accepted then :/ I saw it on the Heinemann textbook so I thought ... yes
Yep - it is definitely a disadvantage, and if the textbook said it there's no doubt you'll get the marks
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thushan

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Re: VCE Chemistry 3/4 Examination 2015 - Discussion Thread
« Reply #46 on: November 10, 2015, 04:07:00 pm »
Quote from: mtse on November 10, 2015, 02:10:18 pm
Nearly did it wrong myself too because I didn't notice it said to find the n(HCl) reacted in the titration flask (20mL aliquot). So the initial amount of HCl had to be multiplied by 20/250, then you could subtract the amount of n(Hal) reacted. In the end the concentration I calculated was a little lower than the one that was in the information.
Hopefully I got that right...

Yeah, I just saw that question - terribly worded LOL. What I ended up doing was what you did, by the way.
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jyce

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Re: VCE Chemistry 3/4 Examination 2015 - Discussion Thread
« Reply #47 on: November 10, 2015, 04:09:03 pm »
So I just did the exam. And I think you guys are overestimating how 'easy' it was.
- A bunch of people will have gotten the back titration question wrong
- I reckon most people won't have figured out the structure of the ester molecule
- People will have gotten wrong the question regarding solutions A and B and whether you could use the calibration graph
- Using collision theory to describe how an equilibrium system responds to a volume change is not exactly easy
- I reckon many people will not have drawn the triglyceride molecule correctly
- People will definitely miss some of the errors in the last question.
« Last Edit: November 16, 2015, 08:49:54 pm by jyce »
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thushan

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Re: VCE Chemistry 3/4 Examination 2015 - Discussion Thread
« Reply #48 on: November 10, 2015, 04:20:08 pm »
Concur.

An A+ of about 100-102/120.
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jyce

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Re: VCE Chemistry 3/4 Examination 2015 - Discussion Thread
« Reply #49 on: November 10, 2015, 04:23:20 pm »
Quote from: thushan on November 10, 2015, 04:20:08 pm
Concur.

An A+ of about 100-102/120.

My thoughts exactly :)
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TiffanyF01

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Re: VCE Chemistry 3/4 Examination 2015 - Discussion Thread
« Reply #50 on: November 10, 2015, 04:26:38 pm »
Soo I did most of it in pencil, how much of an issue is it going to be?   :-\
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Bruzzix

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Re: VCE Chemistry 3/4 Examination 2015 - Discussion Thread
« Reply #51 on: November 10, 2015, 04:30:51 pm »
Quote from: TiffanyF01 on November 10, 2015, 04:26:38 pm
Soo I did most of it in pencil, how much of an issue is it going to be?   :-\
Me too. I don't think it matters at all.
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odeaa

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Re: VCE Chemistry 3/4 Examination 2015 - Discussion Thread
« Reply #52 on: November 10, 2015, 04:36:20 pm »
Quote from: TiffanyF01 on November 10, 2015, 04:26:38 pm
Soo I did most of it in pencil, how much of an issue is it going to be?   :-\

hopefully not an issue at all or we're both getting 0 lol
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TiffanyF01

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Re: VCE Chemistry 3/4 Examination 2015 - Discussion Thread
« Reply #53 on: November 10, 2015, 04:50:02 pm »
Quote from: Bruzzix on November 10, 2015, 04:30:51 pm
Me too. I don't think it matters at all.
Quote from: odeaa on November 10, 2015, 04:36:20 pm
hopefully not an issue at all or we're both getting 0 lol
Haha thanks guys and yeah hopefully! I was planning on doing diagrams and multi choice in pencil and then everything else in pen but switching took so long so I just thought whatever and did everything else in pencil
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warya

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Re: VCE Chemistry 3/4 Examination 2015 - Discussion Thread
« Reply #54 on: November 10, 2015, 05:06:58 pm »
110/120 enough for mid 40's?
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wobblywobbly

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Re: VCE Chemistry 3/4 Examination 2015 - Discussion Thread
« Reply #55 on: November 10, 2015, 05:08:36 pm »
Quote from: warya on November 10, 2015, 05:06:58 pm
110/120 enough for mid 40's?
I would surely hope so.
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jyce

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Re: VCE Chemistry 3/4 Examination 2015 - Discussion Thread
« Reply #56 on: November 10, 2015, 05:09:00 pm »
Quote from: warya on November 10, 2015, 05:06:58 pm
110/120 enough for mid 40's?

I'd say so.
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dankfrank420

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Re: VCE Chemistry 3/4 Examination 2015 - Discussion Thread
« Reply #57 on: November 10, 2015, 06:23:31 pm »
Would A+ SACs and a 102/120 be a 40? What about a 105/120?
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warya

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Re: VCE Chemistry 3/4 Examination 2015 - Discussion Thread
« Reply #58 on: November 10, 2015, 06:27:45 pm »
Quote from: dankfrank420 on November 10, 2015, 06:23:31 pm
Would A+ SACs and a 102/120 be a 40? What about a 105/120?

If A+ cutoff is around 100-102 then yeah you'd probably get a 40
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Bruzzix

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Re: VCE Chemistry 3/4 Examination 2015 - Discussion Thread
« Reply #59 on: November 10, 2015, 06:48:11 pm »
So I think I got about 109/120. I feel awful. There's probably no chance of a 45+ now :/ *cries*
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