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AQA
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
A-level
CHEMISTRY
Paper 1 Inorganic and Physical Chemistry
Time allowed: 2 hours
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Materials
For this paper you must have: For Examiner’s Use
• the Periodic Table/Data Booklet, provided as an insert (enclosed)
• a ruler with millimetre measurements
• a scientific calculator, which you are expected to use where appropriate. Question Mark
1
Instructions
• Use black ink or black ball-point pen.
• Fill in the boxes at the top of this page. 2
• Answer all questions.
• You must answer the questions in the spaces provided. Do not write outside the 3
box around each page or on blank pages.
• If you need extra space for your answer(s), use the lined pages at the end of this 4
book. Write the question number against your answer(s).
• All working must be shown.
5
• Do all rough work in this book. Cross through any work you do not want to be
marked.
6
Information
• The marks for questions are shown in brackets. 7
• The maximum mark for this paper is 105.
8
9
TOTAL
*JUN217405101* IB/M/Jun21/E9 7405/1
Answer all questions in the spaces provided.
0 1 This question is about enthalpy changes for calcium chloride and magnesium
chloride.
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0 1 .1 State the meaning of the term enthalpy change.
[1 mark]
Figure 1 shows an incomplete Born–Haber cycle for the formation of calcium chloride.
Figure 1
Turn over ►
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0 1
.2
Complete Figure 1 by writing the formulas, including state symbols, of the appropriate
species on each of the three blank lines.
[3 marks]
*02*
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Please write clearly in block capitals.
AQA
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
A-level
CHEMISTRY
Paper 1 Inorganic and Physical Chemistry
Time allowed: 2 hours
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Distribution of this document is illegal
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2
Do not write
outside the
box
Materials
For this paper you must have: For Examiner’s Use
• the Periodic Table/Data Booklet, provided as an insert (enclosed)
• a ruler with millimetre measurements
• a scientific calculator, which you are expected to use where appropriate. Question Mark
1
Instructions
• Use black ink or black ball-point pen.
• Fill in the boxes at the top of this page. 2
• Answer all questions.
• You must answer the questions in the spaces provided. Do not write outside the 3
box around each page or on blank pages.
• If you need extra space for your answer(s), use the lined pages at the end of this 4
book. Write the question number against your answer(s).
• All working must be shown.
5
• Do all rough work in this book. Cross through any work you do not want to be
marked.
6
Information
• The marks for questions are shown in brackets. 7
• The maximum mark for this paper is 105.
8
9
TOTAL
*JUN217405101* IB/M/Jun21/E9 7405/1
Answer all questions in the spaces provided.
0 1 This question is about enthalpy changes for calcium chloride and magnesium
chloride.
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IB/M/Jun21/7405/1
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3
Do not write
outside the
box
0 1 .1 State the meaning of the term enthalpy change.
[1 mark]
Figure 1 shows an incomplete Born–Haber cycle for the formation of calcium chloride.
Figure 1
Turn over ►
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4
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0 1
.2
Complete Figure 1 by writing the formulas, including state symbols, of the appropriate
species on each of the three blank lines.
[3 marks]
*02*
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