OCR Gateway Combined Science - Higher

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AquaSenpai
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#1
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#1
The test was harder than biology


especially the golden foil experiment bit
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Ryan2002
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#2
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#2
(Original post by AquaSenpai)
The test was harder than biology


especially the golden foil experiment bit
I said that they discovered the nucleus. Also it is positively charged and contains most of the mass in an atom.

What did you put for the 6 marker?

And what did you get for the bond energy? I got -486
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AquaSenpai
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#3
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#3
(Original post by Ryan2002)
I said that they discovered the nucleus. Also it is positively charged and contains most of the mass in an atom.

What did you put for the 6 marker?

And what did you get for the bond energy? I got -486
lmao i got 6

for the 6 marker i wrote about covalent bonds/structure and monomers of alkenes
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Ryan0887
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#4
I also got 6
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AquaSenpai
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#5
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#5
(Original post by Ryan0887)
I also got 6
what do you mean
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Ryan0887
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#6
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#6
(Original post by AquaSenpai)
what do you mean
For the energy change question.
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Ryan2002
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#7
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#7
(Original post by Ryan0887)
I also got 6
Are you talking about the question with the ectothermic graph? I meant the question with the bond energies and you had to look at the table... I'm worried now lmao
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Ryan2002
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#8
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#8
(Original post by AquaSenpai)
lmao i got 6

for the 6 marker i wrote about covalent bonds/structure and monomers of alkenes
For the six marker did anyone talk about thermosetting and thermosoftening polymers???
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Ryan2002
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#9
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#9
http://www.bbc.co.uk/schools/gcsebit...ry/revision/4/

Im pretty sure this was one our questions...
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AquaSenpai
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#10
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#10
(Original post by Ryan2002)
http://www.bbc.co.uk/schools/gcsebit...ry/revision/4/

Im pretty sure this was one our questions...
Lmao how did you find that
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Ryan2002
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#11
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#11
(Original post by AquaSenpai)
Lmao how did you find that
lol I just typed the equation into google.

what did you put for the phosphorus multiple choice?
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Rcsww1234
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#12
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#12
Same i got -486
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Ryan0887
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#13
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#13
What did you get for the aluminium oxide formula ?
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Ryan2002
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#14
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#14
(Original post by Ryan0887)
What did you get for the aluminium oxide formula ?
I'm not sure if I remember the question mate... remind me what it was again

Also, did you get 6.4grams for the second last question?
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Ryan0887
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#15
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#15
(Original post by Ryan2002)
I'm not sure if I remember the question mate... remind me what it was again

Also, did you get 6.4grams for the second last question?
At first I did but it couldn't be right as it's bigger, when it had to be smaller I got 3.2 as i didn't double the moles.
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Ryan0887
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#16
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#16
What did everyone get for the energy calculation, i got +6
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Ryan2002
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#17
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#17
(Original post by Ryan0887)
What did everyone get for the energy calculation, i got +6
This one http://www.bbc.co.uk/schools/gcsebit...ry/revision/4/
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Ryan2002
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#18
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#18
(Original post by Ryan0887)
At first I did but it couldn't be right as it's bigger, when it had to be smaller I got 3.2 as i didn't double the moles.
The ratio was 1:2 so you had to double the moles
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Ryan2002
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#19
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#19
(Original post by Rcsww1234)
Same i got -486
Did you get 6.4g for the second last one?
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Ryan0887
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#20
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#20
(Original post by Ryan2002)
Did you get 6.4g for the second last one?
I understand that but the mass had to be less as it ask how much of 3.6g.

(Original post by Ryan2002)
The ratio was 1:2 so you had to double the moles
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