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...
