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How was it? - HSN forum - Page 3

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How was it?


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#41 tupacshakur

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Posted 31 May 2005 - 12:36 PM

QUOTE(Wedge37 @ May 31 2005, 12:35 PM)
I think I got 88.9% for the percentage yield question... blink.gif *PANICS*

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i got 54% for the percentage yield question!
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#42 0123456

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Posted 31 May 2005 - 12:41 PM

i got 60.6%...i thoght it was pretty hard ...i didnt get the vit c calculation nor the q=it calculation cs i didnt know where to go after i got 900C...oh well over with now....

#43 Tiger

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Posted 31 May 2005 - 12:41 PM

QUOTE(tupacshakur @ May 31 2005, 01:36 PM)
QUOTE(Wedge37 @ May 31 2005, 12:35 PM)
I think I got 88.9% for the percentage yield question... blink.gif *PANICS*

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i got 54% for the percentage yield question!

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I got 60-61%. Cant remember exactly.

#44 dfx

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Posted 31 May 2005 - 12:44 PM

I left the % Yield question blank. Can you believe it!? sad.gif

But see, what other teachers have also noted about chemistry is that at most a question is worth 2 marks, almost everyone is 1 mark. Like people are complaining about the gas mask - thats just 2 marks for the whole thing, along with %yield. All Im saying is, dont panic if you left something out cause it can't be worth getting depressed over tongue.gif

#45 Amna

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Posted 31 May 2005 - 12:46 PM

i got 60.4% for precentage yield or sumthn lyk dat

#46 Jas0n

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Posted 31 May 2005 - 12:55 PM

I just got back and that was the toughest exam I did so far. Even harder than maths.
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#47 supernova

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Posted 31 May 2005 - 01:21 PM

QUOTE(Jas0n @ May 31 2005, 12:55 PM)
I just got back and that was the toughest exam I did so far. Even harder than maths.

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I totally agree! I'm really bad at Maths, but I actually think I've done much better in that than in Chemistry! So please, stop saying it was easy, people! We can't all be smart! dry.gif Oh well, I'm sooo glad it's all over and done with, anyway! I can't believe you're talking about the answers you've wrote, cos now I know how badly I've actually done!! sad.gif There is NO WAY i'm even looking at my results in August...

How can you guys remember all the answers you wrote down in the multiple choice? huh.gif


#48 Yurimaru

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Posted 31 May 2005 - 01:32 PM

Yeah, I've been reading the answers that have been posted and am now panicking because half of them are nothing like what I wrote! Then again I am useless at Maths and Chemistry. I'm dreading my results too!
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#49 Jonny-Sensei

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Posted 31 May 2005 - 01:33 PM

The exam was very easy, I'm totally confident about it. My answers for the multiple choice were (The ones in red are definitely wrong, my teacher had gone over up to 20 when I saw her so I checked these):

1) D 21) B
2) C 22) D
3) C 23) C
4) B 24) D
5) B 25) C
6) A 26) A
7) C 27) B
8) B 28) A
9) C 29) B
10) B 30) C
11) A 31) B
12) C 32) A
13) D 33) C
14) D 34) B
15) A 35) D
16) B 36) C
17) A 37) B
18) D 38) A
19) C 39) B
20) B 40) C

If more people can post their answers, then we should be able to get the correct answers by taking an average?
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#50 supernova

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Posted 31 May 2005 - 01:35 PM

How the hell do you remember your answers to every single question?

#51 Jonny-Sensei

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Posted 31 May 2005 - 01:39 PM

QUOTE(supernova @ May 31 2005, 01:35 PM)
How the hell do you remember your answers to every single question?

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We got a sheet of paper for "rough working" which I never used, so I took that out of the exam. I did all my working in the pink book.

EDIT: I just realised it says on the front of the paper to hand in any working sheets sad.gif Will I get an automatic fail or lose major marks for this although I did all the working in the pink book and none on the sheet?
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#52 The Wedge Effect

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Posted 31 May 2005 - 01:52 PM

I used the sheet for the rough working, myself...I'm kinda worried about the exam, especially the last writing question about structural formula for the product of oxidising Hexanol...anyone get it fine? Please tell me what it was, I forgot to ask my teacher and I've left school now.

#53 sai

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Posted 31 May 2005 - 01:57 PM

these are sum of my answers

1 d 21 b
2 c 22 a
3 b 23 a
4 b 24 d
5 a ( spose 2 be c ) 25 c
6 d 26 a
7 a 27 b
8 a 28 a
9 c 29 a
10 b 30 d
11 a 31 b
12 b 32 a
13 d 33 c
14 a 34 d
15 a 35 d
16 c 36 c
17 a 37 a
18 d 38 a
19 c 39 b
20 b 40 b



i got 60.4 % for the percentage yield Q

#54 Jonny-Sensei

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Posted 31 May 2005 - 01:57 PM

QUOTE(Wedge37 @ May 31 2005, 01:52 PM)
I used the sheet for the rough working, myself...I'm kinda worried about the exam, especially the last writing question about structural formula for the product of oxidising Hexanol...anyone get it fine? Please tell me what it was, I forgot to ask my teacher and I've left school now.

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Hexanal?

Oxidising increases the O:H Ratio, ie H are removed or O is added. In this case it takes out two H's and a carbonyl group (C=O) forms. I think.
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#55 Equilibrium

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Posted 31 May 2005 - 02:02 PM

dont know if im remembering it right , but did any one get 0.188 grams for the vit C question
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#56 sai

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Posted 31 May 2005 - 02:04 PM

yeah but i rounded up to 0.2g


#57 YIC

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Posted 31 May 2005 - 02:05 PM

QUOTE(dfx @ May 31 2005, 12:38 PM)
QUOTE(gary @ May 31 2005, 12:34 PM)
What was everyones answer to the Q=it question

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I ended up with a really small volume. Something like 900 Coulombs for the charge. (0.5 x 60 x 30)

193,000 for 24 litres, so 900 C for around about 0.112 litres. Strange... unsure.gif

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I think I got an answer like that (something like 111.4 cm cubed which is the same as what u said)


#58 YIC

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Posted 31 May 2005 - 02:06 PM

In that vitamin C question you were meant to multiply the number of moles or the answer by 10 - that is true isn't it?

#59 Jonny-Sensei

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Posted 31 May 2005 - 02:08 PM

QUOTE(YIC @ May 31 2005, 02:06 PM)
In that vitamin C question you were meant to multiply the number of moles or the answer by 10 - that is true isn't it?

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I have a feeling it maybe is.

I didn't though.

It was 3 marks as far as I remember....thats still 2 or 2.5 marks (hopefully)
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#60 gary

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Posted 31 May 2005 - 02:09 PM

someone write out the way that they done it.





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