Edexcel IGCSE Chemistry 复习笔记 4.8.3 Condensation Polymers
Edexcel IGCSE Chemistry 复习笔记 4.8.3 Condensation Polymers Condensation Polymers Condensation polymers are formed when two different monomers are linked together with the removal of a smal...
Edexcel IGCSE Chemistry 复习笔记 4.8.2 Disposal of Addition Polymers
Edexcel IGCSE Chemistry 复习笔记 4.8.2 Disposal of Addition Polymers Disposal of Addition Polymers Addition polymers are formed by the joining up of many small molecules with strong C-C bond...
Edexcel IGCSE Chemistry 复习笔记 4.8.1 Addition Polymers
Edexcel IGCSE Chemistry 复习笔记 4.8.1 Addition Polymers Monomers Polymers are large molecules of high relative molecular mass and are made by linking together large numbers of smaller molec...
Edexcel IGCSE Chemistry 复习笔记 4.7.2 Practical: Preparation of Ethyl Ethanoate
Edexcel IGCSE Chemistry 复习笔记 4.7.2 Practical: Preparation of Ethyl Ethanoate Practical: Preparation of Ethyl Ethanoate Aim: To prepare a small sample of ethyl ethanoate Diagram: &...
CIE A Level Physics复习笔记8.1.1 The Principle of Superposition
The Principle of Superposition The principle of superposition states that when two or more waves with the same frequency travelling in opposite directions overlap, the resultant displacement is the...
Edexcel IGCSE Chemistry 复习笔记 4.7.1 Esters
Edexcel IGCSE Chemistry 复习笔记 4.7.1 Esters The Esters Making Esters Alcohols and carboxylic acids react to make esters in esterification reactions Esters are compounds with the functional...
Edexcel IGCSE Chemistry 复习笔记 4.6.2 Reactions of Carboxylic Acids
Edexcel IGCSE Chemistry 复习笔记 4.6.2 Reactions of Carboxylic Acids Reactions of Carboxylic Acids The carboxylic acids behave like other acids They react with metals to form a salt and hydr...
Edexcel IGCSE Chemistry 复习笔记 4.6.1 Carboxylic Acids
Edexcel IGCSE Chemistry 复习笔记 4.6.1 Carboxylic Acids The Carboxylic Acids Carboxylic acids is the name given to compounds containing the functional group carboxyl, -COOH The general formu...
CIE A Level Physics复习笔记7.2.2 Polarisation
Polarisation Transverse waves are waves with their displacement perpendicular to their direction of travel. These oscillations can happen in any plane perpendicular to the propagation direction Tra...
