Complete OCR A Level Chemistry notes on rates of reaction with diagrams, definitions to support your understanding. Details include: Order of reaction Rate equation and constant Experimental techniques Initial rates Continuous monitoring Rate determining step Rate constants and temperature Arrhenius equation

Foundations of AS Chemistry with supporting diagrams and definitions to prepare you for your exam

Detailed explanations of Alkenes at AS Level with reaction mechanism, stereoisomerism, tests for alkenes and addition polymerisation.

Introduction to the basics of organic chemistry at A Level with different definitions, reaction mechanisms and isomers.

Complete OCR A Level Chemistry notes on acids and bases with diagrams, definitions to support your understanding. Details include: Acid dissociation constant Ka Approximations with Ka Ionic product of water Kw.

Detailed explanations of the structure and bonding of different molecules and compounds. Diagrams of different shape of molecules with bond angles, intermolecular forces and electronegativity.

Complete OCR A Level Chemistry notes on Amines, Amino Acids and Polymers with diagrams, definitions to support your understanding. Details include: Properties of amines and reactions Preparation of aliphatic and aromatic amines Reaction of amine and carboxyl group Amides Optical isomerism Condensation polymers Acids and base hydrolysis of polymers

Complete OCR A Level Chemistry notes on buffers with diagrams, definitions to support your understanding. Details include: Formation of buffers Action of buffers in our body Worked examples of buffer calculations pH curves Indicators Explaining indicator colour changes End point sensitivity Choosing the right indicator

Complete OCR A Level Chemistry notes on carbonyl and carboxylic acids with diagrams, definitions to support your understanding. Details include: Formation of carbonyl compounds Nucleophilic addition mechanism of C=O Reactions of carbonyl compounds Identification of aldehydes and ketones Distinguish between aldehydes and ketones Reaction of carboxylic acids Test for carboxyl group Derivaties of carboxylic acid Acid and base hydrolysis of esters Preparation of esters Acyl chlorides Reactions of acid anhydrides

Complete OCR A Level Chemistry notes on aromatic compounds with diagrams, definitions to support your understanding. Details include: Delocalised model of benzene Evidence to disprove Kekule model Naming aromatic compounds Electrophilic substitution of benzene Arene vs Alkene reactivity Phenols Reaction of phenols Electrophilic substitution of phenol Directing groups

Complete OCR A Level Chemistry notes on energy and entropy with diagrams, definitions to support your understanding. Details include: Lattice enthalpy Born-haber cycles Enthalpy changes in solution and experimental determination Dissolving process Factors affecting lattice enthalpy and hydration Enthalpy of hydration Entropy Gibbs free energy

Complete OCR A Level Chemistry notes on equilibrium with diagrams, definitions to support your understanding. Details include: Equilibrium constant Kc and Kp Calculating and determining Kc from experimental results Effect of Kc in pressure changes

Complete OCR A Level Chemistry notes on chromatography with diagrams, definitions to support your understanding. Details include: Paper chromatography (TLC) Gas chromatography Interpretations of gas chromatography

Complete OCR A Level Chemistry notes on redox and electrode potentials with diagrams, definitions to support your understanding. Details include; Redox equations using half equations, oxidation numbers and acid and bases Manganate (VII) redox titrations Iodine/thiosulphate redox titrations Electrode potentials and E standard Predictions from electrode potentials Limitations using E standard values

Complete OCR A Level Chemistry notes on transition elements with diagrams, definitions to support your understanding. Details include: d-block elements and their electronic configuration Properties of transition elements Formation and shapes of complex ions (ligands)

Complete AQA A Level Biology notes on cell organelles with diagrams, definitions to support your understanding. Details include: Eukaryotic Cells Prokaryotic Cells Microscopy Cell Fractionation and Ultracentrifugation

Complete AQA A Level Biology notes on biological molecules with diagrams, definitions to support your understanding. Details include: Carbohydrates Lipids Proteins Chemical Tests

Complete AQA A Level Biology notes on enzyme and digestion with diagrams, definitions to support your understanding. Details include: Induced fit model Factors affecting enzyme Enzyme Inhibition Digestion Absorption

Complete AQA A Level Biology notes on gas exchange with diagrams, definitions to support your understanding. Details include: Gas exchange in insects Gas exchange in fish Gas exchange in plants Gas exchange in lungs

Complete AQA A Level Biology notes on genetics with diagrams, definitions to support your understanding. Details include: Gene and genetic code DNA and chromosomes RNA Transcription and translation Gene mutation Genetic variation Genetic diversity Natural selection Statistical tests