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- Organic Chemistry
- Addition Reactions of Alkynes and Acidity / Acetylide Synthesis
- Addition Reactions of Alkenes: Markovnikov's Rule, Hydroboration and Halogenation
- Optical Isomers: RS Notation of Chirality / Enantiomers and Diastereomers
- Cyclohexane Conformation: Chair Conformation and Axial Equatorial Stability
- Alkane Conformation: Newman projection and Anti-Gauche form Strain
- Lewis Acid and Lewis Base: Conjugate Acid and Base of Bronsted
- Elimination Reaction: Create Double Bond with E1 and E2 reactions
- Nucleophilic Substitution: Distinguish SN1 and SN2 Reactions
- IUPAC Nomenclature: the Concept of Hydrocarbon Main Chains and Priority
- Stability of Carbocation and Radicals: Delocalization by Hyperconjugation
- Orientation and Reactivity of Aromatic Compounds: Ortho-Meta-Para
- Inductive and Resonance Effects: Electron Donating and Electron Withdrawing Groups
- Resonance Structures: Movement of Electrons and How to Write Stable Structures
- Writing Lewis Structures and Octet Rule: Electrons Stable States and Exceptions
- HOMO and LUMO: Energy of Bonding Orbital and Antibonding Orbital
- Pauli Exclusion Principle and Hund's Rules: Learn About Electron Placement and Orbits
- s and p orbitals, sp3, sp2, sp Hybrid Orbitals: The Concept of Hybridization and Electronic Orbitals
- σ- and π-bonds: Differences in Energy, Reactivity, meaning of Covalent and Double Bonds
- Physical Chemistry
- Intermolecular Forces：Van der Waals Force, Hydrogen Bond, Hydrophobic Effect
- What Difference LC/MS/MS and MS/MS? From Principles to Protein Identification
- HPLC: Methods and Principles of Reversed-Phase Chromatography
- Mass Spectrometry: Molecular Weight and Mass Spectra in MS
- Fluorescence Spectra: Fluorescence Spectroscopy and Phosphorescence
- Raman Spectra: Energy of Raman Spectroscopy, Difference from IR Spectra
- IR Spectra (Infrared Absorption Spectra): Vibration and Fingerprint Area
- Absorbance of UV-Vis Absorption Spectrum: Measured by Lambert–Beer Law
- Column Chromatography: How to Determine the Principle of Material Separation and Developing Solvent
- Thin-Layer Chromatography (TLC): Principles, Rf values and Developing Solvent
- Adsorption Chromatography: Principles, Silica Gel Stationary Phase, and Interactions
- NMR Coupling of Benzene Rings: Ortho-Meta Peak and Chemical Shifts
- Principles of NMR (Nuclear Magnetic Resonance): How to Read Spectra and Couplings
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