Edexcel chemistry 1 Watch

Craydot
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#541
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#541
The question abt electron density maps was D, the one with the most distorted electron cloud right?
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woozeybear
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#542
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#542
(Original post by Itachi8)
can some tell where you have work ions was C or d
Surely it shouldn't have been only worth 1 if you needed to do so much for it
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emilylikeeee
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#543
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#543
(Original post by Princestia)
For what the CATALYST WAS FOR THAT REACTION, WHAT DID EVERYONE PUT?

Nickel, but in past papers they accepted platinum as well.
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X..Nobodyisperfect..X
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#544
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#544
(Original post by lpmad)
Btw it's definitely -700 (i think it was -726) as it involved burning octane or something... and burning is always exothermic as energy is given out to heat the water..

is this the combustion question when they give you the table

if it is dammit I got -61 :mad: :woo: :eek3: :eek3: :woo:
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Itachi8
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#545
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#545
(Original post by woozeybear)
Surely it shouldn't have been only worth 1 if you needed to do so much for it
1 WORK IS A LOT FOR ME CONSIDERING THE AMOUNT OF CARELESS MISTAKE I MADE
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FallenPetal
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#546
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#546
(Original post by woozeybear)
Yeah I know what you mean unfortunately my offer specifies AA in bio and chem I liked stats tho!
Stats is just mindless number chugging. Stats was my best maths exam last summer and I still (somehow) did worse in it than the other modules.

Ah. I hate Bio. Last summer I did no revision for chem and still did better in it than Bio
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woozeybear
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#547
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#547
(Original post by Itachi8)
1 WORK IS A LOT FOR ME CONSIDERING THE AMOUNT OF CARELESS MISTAKE I MADE
Ok.. I meant that they cheated us cos it's supposed to be 1 mark a minute and that took longer
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FallenPetal
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#548
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#548
(Original post by woozeybear)
What did you put?
I put 3. Then I put little Br-Br things next to it with their atomic numbers written on each Br in the molecule and to be extra safe I wrote the peak in brackets next to each molecule.
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woozeybear
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#549
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#549
(Original post by FallenPetal)
Stats is just mindless number chugging. Stats was my best maths exam last summer and I still (somehow) did worse in it than the other modules.

Ah. I hate Bio. Last summer I did no revision for chem and still did better in it than Bio
I like biology just so much to remember! And yeah I guess stats is but at least you know whether you've got stuff right/wrong..hmmmm..what're you going to do?
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Thomassss
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#550
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#550
What is more reactive ? Ca2+ or RB2+ ?

and what did people put for the cloud question ? the negative cloud leaning towards the positive ?
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emilylikeeee
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#551
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#551
(Original post by FallenPetal)
Not sure if that's right. If my memory serves me correctly, it wanted to know the peaks on a Bromine molecule
I also said 5, for the fact that the Br molecules might have fragemented during ionisation so would still show as peaks on the mass spec of Br molecules :|
But I can see why people think thats wrong though; would really like the mark scheme!
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Itachi8
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#552
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#552
Wat Did Ppl Think They Got
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amani-puresapphire
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#553
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#553
(Original post by FallenPetal)
Not sure if that's right. If my memory serves me correctly, it wanted to know the peaks on a Bromine molecule
Good point. Either way i still got it wrong.
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FallenPetal
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#554
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#554
(Original post by woozeybear)
I like biology just so much to remember! And yeah I guess stats is but at least you know whether you've got stuff right/wrong..hmmmm..what're you going to do?
...I never knew whether I was right :eek:

Most of the time if you are wrong in mechanics you get an anwer that makes no sense :P

Either Pharmacy at UEA or Podiatry at Southampton. Yhoooo?
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FallenPetal
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#555
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#555
(Original post by amani-puresapphire)
Good point. Either way i still got it wrong.
idk, I just remember being really confused by it. That's the way I took it, whether it's right or not idk D:
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amani-puresapphire
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#556
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#556
(Original post by emilylikeeee)
I also said 5, for the fact that the Br molecules might have fragemented during ionisation so would still show as peaks on the mass spec of Br molecules :|
But I can see why people think thats wrong though; would really like the mark scheme!
Exactly! I would have kept 3 but i remember our lesson on mass spec in unit 2 and the teacher said its a possibility i probably didnt understand her correctly anyway. Considering its unit 1 though its still 3 =/
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amani-puresapphire
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#557
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#557
Does anyone know if you lose marks for spelling mistakes?
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Craydot
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#558
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#558
what did u guys put for the blank box of Hess' diagram?
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emilylikeeee
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#559
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#559
(Original post by amani-puresapphire)
Exactly! I would have kept 3 but i remember our lesson on mass spec in unit 2 and the teacher said its a possibility i probably didnt understand her correctly anyway. Considering its unit 1 though its still 3 =/
Thats annoying though because technically wouldn't that mean we were right?
Oh well, too late now.
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woozeybear
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#560
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#560
(Original post by FallenPetal)
...I never knew whether I was right :eek:

Most of the time if you are wrong in mechanics you get an anwer that makes no sense :P

Either Pharmacy at UEA or Podiatry at Southampton. Yhoooo?
Mostly I was wrong not right which was annoying :p:
and oooo me either Leeds/Liverpool for dentistry but chemistry is gonna get me so yeaa..
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