AQA A Level Chemistry复习笔记5.3.1 Kp Expressions
Kp Expressions We have seen previously that equilibrium reactions can be quantified by reference to an equilibrium expression and equilibrium constant The equilibrium expression links the eq...
AQA A Level Chemistry复习笔记5.2.1 Rate Equations
Rate Equations The rate of reaction refers to the change in the amount or concentration of a reactant OR product per unit time It can be found by: Measuring the decrease in the concentration...
AQA A Level Chemistry复习笔记5.1.1 Thermodynamic Terms
Defining Thermodynamic Terms Thermodynamics literally means heat and movement and is the branch of physical chemistry that deals with heat, energy, temperature and the physical properties of...
AQA A Level Chemistry复习笔记4.2.1 Reactions of Group 2 Elements
Reactions of Group 2 Elements Although there is no required practical specifically based around the reactions of Group 2 elements, these reactions are important and students tend to not do v...
AQA A Level Chemistry复习笔记4.1.1 Making a Volumetric Solution
Making a Volumetric Solution REQUIRED PRACTICAL 1 Volumetric Analysis Volumetric analysis is a process that uses the volume and concentration of one chemical reactant (a volumetric solution)...
AQA A Level Chemistry复习笔记3.7.1 Fundamentals of Reaction Mechanisms
Reaction Mechanisms: Terminology Homolytic & Heterolytic fission Homolytic fission is breaking a covalent bond in such a way that each atom takes an electron from the bond to form two ra...
AQA A Level Chemistry复习笔记3.6.1 Identification of Functional Groups by Test-Tube Reactions
Test-Tube Reactions Often, chemists will need to identify the functional groups present in an organic compound Some simple questions which can be considered are: Is the compound acidi...
AQA A Level Chemistry复习笔记3.5.1 Classifying Alcohols
Classification of Alcohols Primary alcohols are alcohols in which the carbon atom bonded to the -OH group is attached to one other carbon atom (or alkyl group) Secondary alcohols are alcohol...
AQA A Level Chemistry复习笔记3.4.1 Structure, Bonding & Reactivity
Shapes & Bond Angles in Organic Molecules Each carbon atom has four electrons in its outer shell (electronic configuration: 1s22s22p2) Carbon atoms share these four electrons in four cov...
