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2023 Pearson Edexcel Level 3 GCE Economics A Advanced Subsidiary PAPER 2: Core Organic and Physical Chemistry Policies Question Paper and Mark Scheme CombinedR169,20
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2023 Pearson Edexcel Level 3 GCE Economics A Advanced Subsidiary PAPER 2: Core Organic and Physical Chemistry Policies Question Paper and Mark Scheme Combined
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Course
Pearson Edexcel 2023
Institution
Pearson Edexcel 2023
2023 Pearson Edexcel Level 3 GCE Economics A Advanced Subsidiary
PAPER 2: Core Organic and Physical Chemistry Policies Question Paper and Mark
Scheme Combined
2023 pearson edexcel level 3 gce economics a advan
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Pearson Edexcel 2023
Pearson Edexcel 2023
Pearson Edexcel 2023
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Please check the examination details below before entering your candidate information
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 3 GCE
Tuesday 23 May 2023
reference 8CH0/02
Morning (Time: 1 hour 30 minutes) Paper
Chemistry
Advanced Subsidiary
PAPER 2: Core Organic and Physical Chemistry
You must have: Total Marks
Scientific calculator, Data Booklet, ruler
2023 Pearson Edexcel Level 3 GCE Economics A Advanced Subsidiary
PAPER 2: Core Organic and Physical Chemistry Policies Question Paper and Mark
Scheme Combined Unveiling Excellence!!
Instructions
• Use black ink or ball‑ point pen.
• If pencil is used for diagrams/sketches/graphs it must be dark (HB or B).
• Fill in the boxes at the top of this page with your name,
centre number and candidate number.
• Answer all questions.
• Answer the questions in the spaces provided
– there may be more space than you need.
Information
• The total mark for this paper is 80.
• The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
• For the question marked with an asterisk (*), marks will be awarded for
your ability to structure your answer logically, showing the points that you
make are related or follow on from each other where appropriate.
• A Periodic Table is printed on the back cover of this paper.
Advice
• Read each question carefully before you start to answer it.
• Show all your working in calculations and include units where appropriate.
,N:1/1/1/
• Check your answers if you have time at the end.
*P71927A0128*
Turn over
Some questions must be answered with a cross in a box . If you change your mind about an
answer, put a line through the box and then mark your new answer with a cross .
1 This question is about collision theory.
The Maxwell-Boltzmann distribution of molecular energies for a reaction
at a particular temperature is shown in the graph.
Add another line on the graph to represent the same reaction with the same
number of particles at a higher temperature.
Number of
particles with
energy, E
Energy, E
(Total for Question 1 = 2 marks)
2
*P71927A0228*
, 2 This question is about alkanes and some of their reactions.
(a) Hexane is a saturated hydrocarbon.
State what is meant by the term ‘saturated hydrocarbon’.
Your answer should refer to both words in the term.
(2)
(b) When methane reacts with gaseous chlorine, the initiation step is bond
breaking in the chlorine molecule to form chlorine free radicals.
The equation for this step is shown.
(i) Write the overall equation for this reaction of methane with
chlorine. State symbols are not required.
(1)
(ii) Calculate the maximum mass, in grams, of chloromethane produced
when 7.00 g of chlorine gas reacts completely with excess methane.
[Molar mass of CH3Cl = 50.5 g mol–1]
(2)
3
*P71927A0328* Turn over
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