A-Level Chemistry
CANDIDATES NAME
CENTER NUMBER
DATE
SECTION
A
B
C
AQA Paper 1: Physical and Inorganic Chemistry
Time allowed: 2 hours
Maximum marks: 105
Instructions
• Answer all questions.
• Show all working for calculations.
• Marks are indicated for each question.
• Use the spaces provided.
Section A: Physical Chemistry
Question 1
(a) Define the term relative atomic mass.
, (2 marks)
Answer space (2 marks):
(b) A sample of chlorine contains 75% and 25% .
Calculate the relative atomic mass of chlorine.
(3 marks)
Answer space (3 marks):
Question 2
The equation for the combustion of propane is:
[\text{C}_3\text{H}_8 + 5\text{O}_2 \rightarrow 3\text{CO}_2 + 4\text{H}_2\text{O}]
(a) Calculate the enthalpy change when 44 g of propane is burned completely, given that of
propane is –2220 kJ mol.
CANDIDATES NAME
CENTER NUMBER
DATE
SECTION
A
B
C
AQA Paper 1: Physical and Inorganic Chemistry
Time allowed: 2 hours
Maximum marks: 105
Instructions
• Answer all questions.
• Show all working for calculations.
• Marks are indicated for each question.
• Use the spaces provided.
Section A: Physical Chemistry
Question 1
(a) Define the term relative atomic mass.
, (2 marks)
Answer space (2 marks):
(b) A sample of chlorine contains 75% and 25% .
Calculate the relative atomic mass of chlorine.
(3 marks)
Answer space (3 marks):
Question 2
The equation for the combustion of propane is:
[\text{C}_3\text{H}_8 + 5\text{O}_2 \rightarrow 3\text{CO}_2 + 4\text{H}_2\text{O}]
(a) Calculate the enthalpy change when 44 g of propane is burned completely, given that of
propane is –2220 kJ mol.
