IB DP Physics: HL復習筆記1.1.2 Using Scientific Notation
Scientific Notation & Metric Multipliers Scientific Notation In physics,?measured quantities?cover a large range from the very large to the very small Scientific notation is a form that is base...
IB DP Physics: HL復習筆記1.1.1 SI Units
SI Base Quantities International System (S.I.) Units There is a seemingly endless number of units in Physics These can all be reduced to seven base units from which every other unit can be derived ...
IB DP Chemistry: HL復習筆記21.1.3 Structure Identification Problems
Structure Identification Problems The chemists' toolkit includes?a range of analytical techniques that enable the structure of compounds to be deduced Summary table of analytical techniques These t...
IB DP Chemistry: HL復習筆記21.1.2 X-Ray Crystallography
X-Ray Crystallography When visible light waves interact with objects the light is scattered, transmitted and reflected – this gives us information about the macroscopic world However, at the scale ...
IB DP Chemistry: HL復習筆記21.1.1 High Resolution NMR
High Resolution NMR In the first part of?NMR spectroscopy, we have seen that the nuclei of H atoms behave as tiny magnets and can interact with an applied magnetic field Only atoms with?odd?mass nu...
IB DP Chemistry: HL復習筆記20.3.3 Optical Isomers
Optical Isomers Optical isomers A carbon atom that has four different atoms or groups of atoms attached to it is called a chiral carbon or chiral centre Chira comes from a Greek word meaning hand, ...
IB DP Chemistry: HL復習筆記20.3.2 Cis-Trans & E/Z Isomers
Cis-Trans & E/Z Isomers Configurational isomerism?can be seen in?unsaturated compounds, cyclic structures or compounds that contain at least one asymmetric carbon (sometimes called a?chiral cen...
IB DP Chemistry: HL復習筆記20.3.1 Stereoisomers
Conformational & Configurational Isomers Isomers?are compounds that have the same molecular formula but a different arrangement of atoms Isomers can be grouped into various categories, as shown...
IB DP Chemistry: HL復習筆記20.2.1 Synthesis
Organic Synthesis It is possible to make a large number of organic products from a few starting compounds and the necessary reagents and conditions Knowing how organic functional groups are related...
IB DP Chemistry: HL復習筆記20.1.4 Reduction Reactions
Reduction Reactions Carbonyl compounds Alcohols can be oxidised to carbonyl compounds in the presence of a suitable?oxidising agent Primary alcohol?→?aldehyde?→?carboxylic acid Secondary alcohol → ...
IB DP Chemistry: HL復習筆記20.1.3 Electrophilic Substitution Reactions
The Structure of Benzene In normal, everyday conversation the word 'aromatic' is used to refer to pleasant, fragrant smells However, in chemistry, it is used to describe molecules that contain one ...
IB DP Chemistry: HL復習筆記20.1.2 Electrophilic Addition Reactions
Electrophilic Addition Mechanism Electrophilic Addition Electrophilic?addition?is the addition of an?electrophile?(or?Lewis acid) to an alkene double bond, C=C The alkene double bond, C=C, is an ar...
