Edexcel A Level Chemistry:复习笔记4.2.2 Ethanol Oxidation
Core Practical 5: Oxidation of Ethanol Oxidation of ethanol Primary alcohols can be oxidised to form aldehydes which can undergo further oxidation to form carboxylic acids When ethanol is ox...
Edexcel A Level Chemistry:复习笔记4.2.1 Hydrolysis of Halogenoalkanes
Core Practical 4: Investigating Halogenoalkane Hydrolysis Halogenoalkanes can be hydrolysed with an aqueous solution of sodium hydroxide (NaOH) or potassium hydroxide (KOH) This reaction is ...
Edexcel A Level Chemistry:复习笔记4.1.4 Determining Enthalpy Change of Reaction
Core Practical 8: Determining Enthalpy Change of Reaction Measuring enthalpy changes Calorimetry is a technique used to measure changes in enthalpy of chemical reactions A calorimeter can be...
Edexcel A Level Chemistry:复习笔记4.1.3 Determining Concentrations
Core Practical 3: Hydrochloric Acid Concentration Performing the Titration The key piece of equipment used in the titration is the burette Burettes are usually marked to a precision of 0.10 ...
Edexcel A Level Chemistry:复习笔记4.1.2 Standard Solutions
Core Practical 2: Preparing a Standard Solution Volumetric Analysis Volumetric analysis is a process that uses the volume and concentration of one chemical reactant (a volumetric solution) t...
Edexcel A Level Chemistry:复习笔记4.1.1 Molar Volume of a Gas
Core Practical 1: Measuring the Molar Volume of a Gas Measuring gas volumes The volume of gas produced in a reaction can be measured by collecting the gas with a gas syringe or by the displa...
Edexcel A Level Chemistry:复习笔记3.6.2 Infrared (IR) Spectroscopy
Interpreting an IR Spectrum Infrared (IR) spectroscopy is a technique used to identify compounds based on changes in vibrations of atoms when they absorb IR of certain frequencies A spectrop...
Edexcel A Level Chemistry:复习笔记3.6.1 Mass Spectrometry
Mass Spectrometry Mass spectroscopy is an analytical technique used to identify unknown compounds The molecules in the small sample are bombarded with high energy electrons which can cause t...
Edexcel A Level Chemistry:复习笔记3.5.3 Organic Liquid Preparation & Purification
Organic Liquid Preparation & Purification Simple Distillation This is used to separate a liquid and soluble solid from a solution (e.g. water from a solution of salt water) or a pure liq...
