AQA GCSE Chemistry Paper 2 (Higher Tier) 8462/2H - 20 Jun 2022 [Exam Chat]

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the first few questions were💩nvm the whole paper

Original post by caye0189

I got 0.85😭😭

Same it was

username5868172

Original post by user13892849

yeah i put endothermic but now idek

i put that too

what did you guys get for crude oil option thing

Original post by jonesda220

Same it was

i dont think 0.85 took into account the statement about moles at the beginning

username5868172

Original post by mjordan1111

I got 1:4 for the last question but not sure if that's right

me too

What did you guys tick for the light question

Was the 2makrer on agriculture or something fertiliser and detergent?

username5868172

Original post by A233m

Was the 2makrer on agriculture or something fertiliser and detergent?

i got detergent and solvent

Original post by A233m

Was the 2makrer on agriculture or something fertiliser and detergent?

solvent and detergent pretty sure

Original post by A233m

Was the 2makrer on agriculture or something fertiliser and detergent?

I think mine were solvent and detergent

username5868172

Original post by Bxrn3r

What did you guys tick for the light question

i forgot the exact option but i ticked to remove any other light sources

Original post by user13892849

solvent and detergent pretty sure

same

Original post by Bxrn3r

What did you guys tick for the light question

smth about making sure no other light sources affect it

Original post by jennaa21

i forgot the exact option but i ticked to remove any other light sources

Same

username5868172

what did u guys pick for the bromine water tick box question? i picked the first one
and on the first question how did you draw the bonds

Did anyone choose polymer as better for the LCA or glass?

Original post by jennaa21

what did u guys pick for the bromine water tick box question? i picked the first one
and on the first question how did you draw the bonds

Yes it was the first one, and the carbon carbon was a double bond with the rest being single bonds

I got this too, gradient was -7/8 for me as well so I got the same answer, also got 1:4 for the last one, also 45% for the one from the graph you drew (at 500 atmospheres), Bromine water one was the first one (C7H14 and C8H16 because they're both alkenes), anything else anyone wants to know about/know what I got?

Original post by paprikacrisps

i got 6.2x10^-5 because i got the gradient to be 70/80 so 7/8, then the percentage change was 7 so i did the 7 multiplied by that number they gave them divided it by 8

Original post by yumyum112358

Did anyone choose polymer as better for the LCA or glass?

I went with glass - I mentioned that the fact the polymer is single-use means you almost should multiply its energy usages by 25 to get a fair comparison, which I thought was pretty smart, and obviously using crude oil is baddddd :smile:

:smile:

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