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    How did everyone find the a2 edexcel unit 4 chemistry exam today?
    Also any chance someone could make an unofficial mark scheme please? thank you
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    (Original post by braino)
    How did everyone find the a2 edexcel unit 4 chemistry exam today?
    Also any chance someone could make an unofficial mark scheme please? thank you
    I thought it was alright. it had a different structure though. how did U find it
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    [QUOTE=Nadela;65778331]I thought it was alright. it had a different structure though. how did U find it[/QUOTE


    yeah...so many 5 markers!


    you know for the rate q about order with respect to Br-.... did you put zero order or first order?? x
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    [QUOTE=braino;65781209]
    (Original post by Nadela)
    I thought it was alright. it had a different structure though. how did U find it[/QUOTE


    yeah...so many 5 markers!


    you know for the rate q about order with respect to Br-.... did you put zero order or first order?? x
    I put zero order as it was a straight line with respect to time
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    [QUOTE=Twin-v;65782219]
    (Original post by braino)

    I put zero order as it was a straight line with respect to time
    But it was a graph of 1 over time against concentration giving a straight gradient so it was first order
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    Oh yeah I agree 😑
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    [QUOTE=lolzbots2009;65783075]
    (Original post by Twin-v)

    But it was a graph of 1 over time against concentration giving a straight gradient so it was first order
    So the following marks for the rate equation and units for k will be lost too? Or will I get ecf?
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    You should get ecf don't worry
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    (Original post by flipper9182)
    You should get ecf don't worry
    Ecf was the case for a similar question in past paper, thanks!
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    (Original post by Twin-v)
    Ecf was the case for a similar question in past paper, thanks!
    Best of luck with the rest of your exams
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    it was first order cos it was rate (1/t) against volume graph
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    [QUOTE=braino;65781209]
    (Original post by Nadela)
    I thought it was alright. it had a different structure though. how did U find it[/QUOTE


    yeah...so many 5 markers!


    you know for the rate q about order with respect to Br-.... did you put zero order or first order?? x
    it was first order cos it was a rate(1/t) against volume graph
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    (Original post by braino)
    How did everyone find the a2 edexcel unit 4 chemistry exam today?
    Also any chance someone could make an unofficial mark scheme please? thank you
    Any luck with finding the mark scheme?
 
 
 
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