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A2 OCR Chemistry B F334 - June 2015

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Reply 720
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TheRAG
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Original post by big fat poo
Guys here's another one:

weird molecule: PD-PD + ID-ID
polyester: PD-PD + ID-ID

i just put the same thing twice?


Drat I forgot to put pd-pd for polyester.

That's another mark out the window...
Original post by Shostakovish
Seriously?
No Hitler video???


There's one for F324
Reply 722
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TheRAG
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Original post by penguinofdoom
I've got AQA Physics :tongue:


Me too! You ready?
Reply 723
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TheRAG
2
Original post by standoesmaths
There's one for F324


We need one here
Original post by holliejadex
on the page previously it said that polyesters could form hydrogen bongs so for I put that for PE as well as ID-ID and PD-PD


da fuuuuck....well what's the point having revision notes that specifically say that polyesters can only form PD-PD and ID-ID FFS!!
My brain isnt effing big enough to memorise all the damn information on the previous page, this paper was a complete joke
Original post by TheRAG
Me too! You ready?


I thought I was, but I'm now starting to panic a bit. You?
Reply 727
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TheRAG
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Original post by penguinofdoom
I thought I was, but I'm now starting to panic a bit. You?


Feeling ok, have you looked at the thread for it?
Original post by holliejadex
on the page previously it said that polyesters could form hydrogen bongs so for I put that for PE as well as ID-ID and PD-PD


Original post by big fat poo
da fuuuuck....well what's the point having revision notes that specifically say that polyesters can only form PD-PD and ID-ID FFS!!


That was with water?

It was asking about forming bonds between the chains so surely they are both IDID and PDPD
Reply 729
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TheRAG
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What did everyone put for the last question? The one where it asks you how an increase of pH affects the protein structure?
Original post by Solarburst
That was with water?

It was asking about forming bonds between the chains so surely they are both IDID and PDPD


Such a finnicky and annoying paper :angry:
Apparently this paper was so bad it managed to be trending on twitter for a bit!
Original post by TheRAG
What did everyone put for the last question? The one where it asks you how an increase of pH affects the protein structure?


Deprotonate the COOH group?
EVERYONE vote/poll on how you found this test !!!!!!!!

VOTE NOW!


http://www.thestudentroom.co.uk/showthread.php?t=3395969
EVERYONE vote/poll on how you found this test !!!!!!!!

VOTE NOW!


http://www.thestudentroom.co.uk/show....php?t=3395969
Original post by TheRAG
Feeling ok, have you looked at the thread for it?


Yep.
Original post by TheRAG
Well last years paper (which I found harder than this) was 70, so I doubt it


Really? I thought last years paper was really easy
Original post by TheSprintKing
But they only asked for steps one to three which doesn't include the last step?


did they? Well ****, didn't read that properly :frown:
Original post by big fat poo
da fuuuuck....well what's the point having revision notes that specifically say that polyesters can only form PD-PD and ID-ID FFS!!

dey cant form hydrogen bonds with each other but can with water
Original post by TheRAG
What did everyone put for the last question? The one where it asks you how an increase of pH affects the protein structure?

COOH becomes COO- i think I put

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