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Gateway to A*

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I have just graduated high school achieving 3A* at A Level in Maths, Chemistry and Biology. I am currently studying Medicine at St George's University of London. Over the 2 years, I have made detailed notes on the OCR Chemistry A specification and AQA Biology specification. I ranked highly in my cohort for Chemistry and Biology (2/122 and 3/91). I hope these notes will help you in your A Level study.

I have just graduated high school achieving 3A* at A Level in Maths, Chemistry and Biology. I am currently studying Medicine at St George's University of London. Over the 2 years, I have made detailed notes on the OCR Chemistry A specification and AQA Biology specification. I ranked highly in my cohort for Chemistry and Biology (2/122 and 3/91). I hope these notes will help you in your A Level study.
A Level Chemistry - Rates of Reaction
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A Level Chemistry - Rates of Reaction

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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
AS Chemistry Alkenes
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AS Chemistry Alkenes

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Detailed explanations of Alkenes at AS Level with reaction mechanism, stereoisomerism, tests for alkenes and addition polymerisation.
A Level Chemistry - Acids and Bases
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A Level Chemistry - Acids and Bases

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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.
AS Chemistry - Structure and Bonding
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AS Chemistry - Structure and Bonding

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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.
A Level Chemistry - Amines, Amino Acids and Polymers
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A Level Chemistry - Amines, Amino Acids and Polymers

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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
A Level Chemistry - Buffers
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A Level Chemistry - Buffers

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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
A Level Chemistry - Carbonyl and Carboxylic Acid
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A Level Chemistry - Carbonyl and Carboxylic Acid

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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
A Level Chemistry - Aromatic Compounds
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A Level Chemistry - Aromatic Compounds

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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
A Level Chemistry - Energy and Entropy
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A Level Chemistry - Energy and Entropy

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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
A Level Chemistry - Equilibrium
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A Level Chemistry - Equilibrium

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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
A Level Chemistry - Chromatography
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A Level Chemistry - Chromatography

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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
A Level Chemistry - Redox and Electrode Potentials
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A Level Chemistry - Redox and Electrode Potentials

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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
A Level Chemistry - Transition Elements
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A Level Chemistry - Transition Elements

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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)
AS Chemistry - Alcohols
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AS Chemistry - Alcohols

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Detailed explanations of the things you need to know about alcohols at AS Level for Chemistry. Diagrams, definitions and explanations included!