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Edexcel IAL Chemistry Unit 3 WCH03 May June 2016 Discussion

How was your exam guys ?
What was the enthalpy change value in alcohol combustion question ?

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Reply 1
I got something around 420ish
i found it difficult!! Percentage error?
Reply 3
58%? Somewhere close 58%.
Original post by Blazyy
58%? Somewhere close 58%.

Really ? I got around 41 %

Wasn't this like that ----> (1367.3-800)/1367.3 x 100= 41 %

Anyways this paper was so ****
Original post by Blazyy
I got something around 420ish

Same here :smile:
-418 kj/ mol
Original post by Blazyy
58%? Somewhere close 58%.

i got that to!! However, i think 41% was the correct one...
Reply 7
Original post by ToxicPhantom007
Really ? I got around 41 %

Wasn't this like that ----> (1367.3-800)/1367.3 x 100= 41 %

Anyways this paper was so ****



OMG.

I DID 800/1367.3 x 100


........
How many marks was it?
I got something like -393 kj/mol and for error got 41%
What about the Anion in the first question what was it?
Original post by Hamadtype-
What about the Anion in the first question what was it?
Hydrogen Carbonate
Reply 11
Guys, what about the last one? 4 assumptions.

I wrote that the first two were not valid assumptions but the last 2 were.
What about the major product that come from when you change product G to F?
what was the product you get?
damn it i wrote down carbonate 😣
Original post by eftio.gea
damn it i wrote down carbonate 😣


same ;[
Original post by Hamadtype-
What about the major product that come from when you change product G to F?
what was the product you get?


2-iodohexane
Original post by eftio.gea
2-iodohexane


no it says this is the minor product
they want the major product
Reply 17
Original post by Hamadtype-
no it says this is the minor product
they want the major product


2-Iodohexane is the major product.
Original post by ToxicPhantom007
How was your exam guys ?
What was the enthalpy change value in alcohol combustion question ?


I got -418kJ mol-1
the question was ver hard isn't it?

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