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  • Chemistry Factsheet: 184. Rate vs Yield I

    Chemistry Factsheet: 184. Rate vs Yield I

    To succeed in this topic you need to:-• Be able to write balanced equations for reactions• Be familiar with basic concepts related to equilibria and leChatelier’s Principle (Factsheet ...

    Price £3.00more info
  • Chemistry Factsheet: 185. Structure and Function of DNA

    Chemistry Factsheet: 185. Structure and Function of DNA

    DNA or deoxyribonucleic acid is a self-replicating molecule. It passes on genetic information from one generation to the next. Every time a cell divides the genetic information is duplicated and so be...

    Price £3.00more info
  • Chemistry Factsheet: 186. Halogenation in Organic Chemistry

    Chemistry Factsheet: 186. Halogenation in Organic Chemistry

    Halogenation is a chemical reaction that introduces one or more halogen atoms into a molecule. Halogenation can be subdivided into fluorination, chlorination, bromination, and iodination depending on ...

    Price £3.00more info
  • Chemistry Factsheet: 187. Avoidable Errors in Reaction Mechanism Questions

    Chemistry Factsheet: 187. Avoidable Errors in Reaction Mechanism Questions

    The aim of this Factsheet is to enable you to score full marks when answering AS questions on reaction mechanisms.Mechanisms must be written with care: curly arrows, lone pairs, electrical charges and...

    Price £3.00more info
  • Chemistry Factsheet: 188. Equilibrium at AS-Level : Interactively

    Chemistry Factsheet: 188. Equilibrium at AS-Level : Interactively

     The equilibrium between bromine liquid and bromine vapour Read the following description of a series of observations and then answer the self-assessed questions (SAQ) that follow by crossing out...

    Price £3.00more info
  • Chemistry Factsheet: 189. Chemistry of Dyes

    Chemistry Factsheet: 189. Chemistry of Dyes

    A diazonium compound is first made by reacting a primary aromatic (derived from benzene type compounds) amine with excess hydrochloric acid and sodium nitrate(III) [“sodium nitrite”, NaNO2...

    Price £3.00more info
  • Chemistry Factsheet: 190. Rate vs Yield II

    Chemistry Factsheet: 190. Rate vs Yield II

    To succeed in this topic you need to:-• Be able to write balanced equations for reactions• Be familiar with basic concepts related to equilibria and leChatelier’s Principle (Factsheet ...

    Price £3.00more info
  • Chemistry Factsheet: 191. Reactions Producing Stereoisomers

    Chemistry Factsheet: 191. Reactions Producing Stereoisomers

    The stereochemistry of a molecule is extremely important, especially where pharmaceutical products are concerned. Thus it is safe to sell Ibruprofen as a racemate (a 50:50 mixture of enantiomers &ndas...

    Price £3.00more info
  • Chemistry Factsheet: 192. Avoidable Errors in Reaction Mechanisms at A2-Level

    Chemistry Factsheet: 192. Avoidable Errors in Reaction Mechanisms at A2-Level

    The aim of this Factsheet is to enable ‘A2’ level candidates to score full marks when answering A2 questions on reaction mechanisms. Mechanisms must be written with care: curly arrows, dot...

    Price £3.00more info
  • Chemistry Factsheet: 193. Brønsted - Lowry Bases in ‘A’ level Chemistry

    Chemistry Factsheet: 193. Brønsted - Lowry Bases in ‘A' level Chemistry

    The use of the word “base” as a substance that reacts with an acid was first used in 1754 by Rouelle. The term base superseded the word alkali (from the Arabic for “calcined ashes&rd...

    Price £3.00more info
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