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Lattice Enthalpies
David Fowkes
Uncategorized
Lattice (Formation) Enthalpy is defined as: The en...
Monday, 15 December 2025
Alkenes
David Fowkes
Uncategorized
4.23 - 4.38 The Alkenes Limonene is an alkene whic...
Wednesday, 12 November 2025
Test post
David Fowkes
Uncategorized
Enter your text here ... Amines Intro image Enter ...
Saturday, 08 November 2025
Amines
David Fowkes
Uncategorized
Intro image Enter your text here ... Enter your te...
Friday, 14 June 2024
Ozone formation and depletion
Vasyl
Uncategorized
Earth's vital delicate shield OCREDEXCELOCR ...
Saturday, 01 April 2023
Pineapple Essence
Noah
Uncategorized
An ester called ethyl butanoate is present in pineapples. Esters are organic compounds that contain an ...
Monday, 30 January 2023
Explaining electrolysis
Noah
IGCSE Chemistry
Here we investigate electrolysis and try to ...
Monday, 17 October 2022
Radioactivity
Vasyl
GCSE Physics
Enter your text here ... AlphaBetaGamma Heli...
Wednesday, 12 October 2022
All the fun stuff
2. Inorganic Chemistry
Vasyl
Uncategorized
Friday, 15 July 2022
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A LEVEL CHEMISTRY
A LEVEL CHEMISTRY
1. PRACTICAL SKILLS
2
Basic organic practical techniques
Cabbage juice indicator
2. FOUNDATIONS
1
Atom economy and fertiliser production
3. PERIODIC TABLE AND ENERGY
4. CORE ORGANIC CHEMISTRY
5. PHYSICAL CHEMSTRY AND TRANSITION ELEMENTS
7
Electrochemistry 1
Electrochemistry 2
Rate determining steps
Rates and temperature
Transition elements
Acid base equilibria
Lattice Enthalpy
6. ORGANIC CHEMISTRY AND ANALYSIS
2
Bonding in Alkenes
NMR spectroscopy
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1. PRINCIPLES OF CHEMISTRY
a. States of matter
1.1 - 1.2 The three states
1.3 A particular problem
1.4 - 1.7 Solubility curves
b. Elements, compounds and mixtures
1.8 Element or compound?
1.10 Separation techniques
1.10 - 1.13 Chromatography
c. Atomic Structure
1.15 Subatomic particles
1.16 Isotopes
1.14 Atoms and molecules
1.17 Relative atomic mass
d. The Periodic Table
1.18 Organising elements
1.19 Deducing electron configurations
1.20 -1.22 Periodic patterns
1.23 - 1.24 Family groups
e. Chemical formulae, equations and calculations
1.26 Calculating relative masses
1.27 The mole
1.28 Moles and mountains
1.29 Reacting masses
1.30 Calculating percentage yield
1.31 Finding formulae
1.34 concentrated calculations
f. Ionic bonding (3)
1.38 Know your ions
1.37 Transferring charge
1.39 Finding formulae
g. Covalent bonding
1.44 Covalent bonds: Sharing nicely
1.45 Covalent bonding : opposites attract
1.46 Small covalent molecules
1.47 - 1.48 Simple molecules
1.49 - 1.51 Covalent giants
h. Metallic bonding
1.52C Modelling metals
1.53C Metallic bonds
1.54C Metallic properties
i. Electrolysis
1.55 Free of charge ( carriers)
1.58 Molten electrolytes
1.55 -1.57 Know your anions
1.59 Half equations
2. INORGANIC CHEMISTRY
a. Group 1 elements
b. Group 7 elements
c. Gases in the atmosphere
d. Reactivity series
e. Extraction and uses of metals
f. Acids, alkalis and titrations
2.31 - 2.32 Neutralisation
2.28 - 2.30 Use your indicators
2.33 Titrations
g. Acids alkalis and salt preparations
2.35 - 2.36 Proton transfer
2.34 The best solution
2.37 - 2.39 Acid reactions
2.39 - 2.43 Making salts
h. Chemical tests
2.44 Tests for gases
2.46 Flame colours
2.47 Testing for other cations
2.48 Testing anions
2.45 Flame testing
3. PHYSICAL CHEMISTRY
a. Energetics
3.1 Exothermic and Endothermic
3.3 Calculating energy
b. Rates of reaction
c. Reversible reactions and equilibria
4: ORGANIC CHEMISTRY
a. Introduction
4.5 Organic formulae
4.3 Isomers
4.4 Naming organic compounds
b. Crude oil
4.7 A crude mix
4.8 Fractional distillation
4.9 - 4.10 Fractional trends
4.11 -4.12 Combustion
c. Alkanes
4.19 The alkanes
4.20 - 4.21 Saturated hydrocarbons
4.22 Substitution by chlorine
d. Alkenes
4.23 The Alkenes
4.24 General formulae
4.26 Naming alkenes
4.25 Unsaturation vs saturation
4.27 Bromine test
e. Alcohols
4.29C - 4.30 Handle with care
4.32C Adding Oxygen (3)
4.31C Alcoholic naming (3)
4.33C Optimum fermentation (3)
f. Carboxylic acids
4.34C Carboxylic acid aka "- COOH"
4.35C Carboxylic formulae
4.36C Carboxylic reactions (3)
4.37C Vinegar (3)
g. Esters
4.38 A fragrant functional group (3)
4.39 - 4.40 Ethyl ethanoate (3)
4.41 Ester by name (3)
4.43 Making an Ester (3)
h. Synthetic polymers
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