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AQA Additional Chemistry unit 2 2017
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Q1) Draw a curve of best fit
b) a range of 11to15, as your curve depends on what your answer will be
c) 50
d) ???
e) 0.6g 6/10= 0.6 because amount/time
f) control variables
size of beaker
size of gas syringe
(a variety of results)
2)a- 6 mark, - thermosoftening- weak inter molecular forces between bonds, in layers and has no crosslinks so its flexible. metals are in a giant metallic structure and they have sliding layer like thermosoftening ploymers etc...
2b) please feel free to add and build to the mark scheme
b) a range of 11to15, as your curve depends on what your answer will be
c) 50
d) ???
e) 0.6g 6/10= 0.6 because amount/time
f) control variables
size of beaker
size of gas syringe
(a variety of results)
2)a- 6 mark, - thermosoftening- weak inter molecular forces between bonds, in layers and has no crosslinks so its flexible. metals are in a giant metallic structure and they have sliding layer like thermosoftening ploymers etc...
2b) please feel free to add and build to the mark scheme
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i said that in gas chromatography the samples are evaporated instead of vaporised will I get any marks?
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