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Chemistry 7405
8 sections available · 47 chapters available
Free Chemistry 7405 revision notes for AQA A Level students. Each chapter covers a key topic with worked examples and practice prompts you can take straight into the thinka app.
Physical chemistry: core (3.1.1-3.1.7)
Atomic structure
Amount of substance
Bonding
Energetics
Kinetics
Chemical equilibria, Le Chatelier's principle and Kc
Oxidation, reduction and redox equations
Physical chemistry: A-level only (3.1.8-3.1.12)
Thermodynamics
Rate equations
Equilibrium constant Kp for homogeneous systems
Electrode potentials and electrochemical cells
Acids and bases
Inorganic chemistry (3.2)
Periodicity
Group 2, the alkaline earth metals
Group 7(17), the halogens
Properties of Period 3 elements and their oxides
Transition metals
Reactions of ions in aqueous solution
Organic chemistry: foundations (3.3.1-3.3.6)
Introduction to organic chemistry
Alkanes
Halogenoalkanes
Alkenes
Alcohols
Organic analysis
Organic chemistry: A-level only (3.3.7-3.3.12)
Optical isomerism
Aldehydes and ketones
Carboxylic acids and derivatives
Aromatic chemistry
Amines
Polymers
Biological molecules, synthesis and spectroscopy (3.3.13-3.3.16)
Amino acids, proteins and DNA
Organic synthesis
Nuclear magnetic resonance spectroscopy
Chromatography
Practical skills and required practicals 1-6
Practical skills assessed in written papers (PS 1.1-4.1, AT a-l)
Required practical 1: Make up a volumetric solution and carry out a simple acid-base titration
Required practical 2: Measurement of an enthalpy change
Required practical 3: Investigation of how the rate of a reaction changes with temperature
Required practical 4: Test-tube reactions to identify cations and anions
Required practical 5: Distillation of a product from a reaction
Required practical 6: Tests for alcohol, aldehyde, alkene and carboxylic acid
Required practical activities 7-12
Required practical 7: Measuring the rate of reaction by initial rate and continuous monitoring
Required practical 8: Measuring the EMF of an electrochemical cell
Required practical 9: pH changes for weak acid with strong base and strong acid with weak base
Required practical 10: Preparation of a pure organic solid and a pure organic liquid
Required practical 11: Test-tube reactions to identify transition metal ions in aqueous solution
Required practical 12: Separation of species by thin-layer chromatography
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