Paper 3

Question 1

PAG 12.1: Investigate iron tablets

Question 2

PAG 12.2: Investigate the copper content of brass screws

Question 3

PAG 12.3: Investigate the reaction between potassium manganite (VII) and ethanedioic acid

Question 4

PAG 11.1: Problem solving

Question 5

PAG 11.2: Titration curves

Question 6

PAG 11.3: Acids and buffers

Question 7

PAG 10.1: Iodine clock

Question 8

PAG 10.2: Thiosulfate and acid

Question 9

PAG 10.3: Activation energy

Question 10

PAG 9.1: Rate of decomposition of hydrogen peroxide

Question 11

PAG 9.2: The rate of calcium carbonate and hydrochloric acid

Question 12

PAG 9.3: The rate of reaction of magnesium and hydrochloric acid

Question 13

PAG 8.1: Electrochemical cells 1

Question 14

PAG 8.2: Electrochemical cells 2

Question 15

PAG 8.3: Electrochemical cells 3

Question 16

PAG 7.1: Identifying organic unknowns 1

Question 17

PAG 7.2: Identifying organic unknowns 2

Question 18

PAG 7.3: Identifying organic unknowns 3

Question 19

PAG 6.1: Synthesis of aspirin

Question 20

PAG 6.2: Preparation of benzoic acid

Question 21

PAG 6.3: Preparation of methyl-3-nitibenzoate

Question 22

PAG 5.1: Synthesis of a haloalkane

Question 23

PAG 5.2: Preparation of cyclohexene

Question 24

PAG 5.3: Oxidation of ethanol

Question 25

PAG 4.1: Identifying unknowns 1

Question 26

PAG 4.2: Identifying unknowns 2

Question 27

PAG 4.3: Identifying unknowns 3

Question 28

PAG 3.1: Determination of the enthalpy change of neutralisation

Question 29

PAG 3.2: Determination of the enthalpy change of a reaction by Hess’s Law

Question 30

PAG 3.3: Determination of the enthalpy change in combustion

Question 31

PAG 2.1: Determination of concentration of hydrochloric acid

Question 32

PAG 2.2: Determination of the molar mass of an acid

Question 33

PAG 2.3: Determination of an unknown carbonate

Question 34

PAG 1.1: Determinatoom of composition of copper (II) carbonate basic

Question 35

PAG 1.2: Determinatiok of relative atomic mass of magnesium

Question 36

PAG 1.3: Determination of the formula for magnesium oxide