AQA A Level Chemistry复习笔记5.1.3 Born-Haber Calculations
Calculations Using Born-Haber Cycles Once a Born-Haber cycle has been constructed, it is possible to calculate the lattice energy (ΔHlattꝋ) by applying Hess’s law and rearranging: ΔHfꝋ = ΔHa...
AQA A Level Chemistry复习笔记5.1.2 Born-Haber Cycles
Constructing Born-Haber Cycles A Born-Haber cycle is a specific application of Hess's Law for ionic compounds and enable us to calculate lattice enthalpy which cannot be found by experiment ...
AQA A Level Chemistry复习笔记4.2.4 Testing for Organic Functional Groups
Testing for Organic Functional Groups REQUIRED PRACTICAL 6 For this practical, you need to be able to give the tests and positive results for the following functional groups: Alkenes Alcohol...
AQA A Level Chemistry复习笔记4.2.3 Distillation of a Product from a Reaction
Distillation of an Organic Product REQUIRED PRACTICAL 5 Distillation of an organic product: Distillation is a common practical completed in organic chemistry For this course, the most common...
AQA A Level Chemistry复习笔记4.2.2 Identifying Anions & Cations
Identifying Anions & Cations REQUIRED PRACTICAL 4 Test Tube Reactions Simple test tube reactions can be done to identify the following ions: Group 2 ions (M2+) Ammonium ions (NH4+) Halid...
AQA A Level Chemistry复习笔记4.1.4 Factors Affecting the Rate of a Reaction
Rate of Reaction REQUIRED PRACTICAL 3 Factors which affect the rate of a chemical reaction During a reaction, the reactants are used up and changed into the products The rate of a chemical r...
AQA A Level Chemistry复习笔记4.1.3 Measurement of an Enthalpy Change
Measurement of an Enthalpy Change REQUIRED PRACTICAL 2 Measuring enthalpy changes Calorimetry is a technique used to measure changes in enthalpy of chemical reactions A calorimeter can be ma...
AQA A Level Chemistry复习笔记4.1.2 Performing a Titration & Volumetric Analysis
Volumetric Analysis REQUIRED PRACTICAL 1 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 cm3 Since...
AQA A Level Chemistry复习笔记3.7.5 Electrophilic Addition
Mechanism: Electrophilic Addition Electrophilic addition Alkenes undergo electrophilic addition reactions In an electrophilic addition reaction, two reactants form only one product So, elect...
