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  • Elementary Math
    • Calculating the Volume and Capacity of Cubes and Cuboids
    • Enlargement and Reduction, Scale: Geometric Figures in Elementary Math
    • Line and Point Symmetry: Congruent Shapes in Elementary Math
    • Circumference and Area of a Circle: Calculating with Pi
    • Calculating the Area of Quadrilaterals and Triangles: Elementary Math Geometry
    • Angles and Types of Triangles and Quadrilaterals: Elementary Math Geometry and Polygons
    • Right Angles, Perpendicular Lines, and Parallel Lines: Ggeometry in Elementary Math
    • Conversion Between Fractions and Decimals
    • Dividing Fractions: Using Reciprocals and Flipping the Numerator and Denominator
    • Multiplying Fractions: Multiplication Methods and Simplifying Fractions
    • Adding and Subtracting Fractions: Same and Different Denominators
    • Addition and Subtraction of Numbers up to 10 in Elementary School Math
    • Simplifying Fractions and Finding Least Common Denominators
    • Basics of Fractions: Concept of Numerator and Denominator, Proper Fractions, Improper Fractions, and Mixed Fractions
    • Even and Odd Numbers: How to Distinguish and Remember in Math
    • Factors and Multiples: Greatest Common Divisor and the Least Common Multiple
    • Division of Decimals: Quotient and Remainder Calculations and Long Division
    • Multiplication of Decimals: Decimal Point Position and How to Solve Problems
    • Adding and Subtracting Decimals: How to Calculate in Math
    • Rounding Numbers: Elementary Math with Approximate Numbers
    • Order of Operations: The Rules of the Four Arithmetic Operations in Elementary Math
    • Division and Remainders: Long Division in Elementary Math
    • Multiplication of Integers: Long Multiplication in Elementary Arithmetic
    • Addition and Subtraction: Arithmetic of Carrying and Borrowing
  • Marketing
    • Needs, Wants, and Demands: The three basic concepts in marketing (with Examples)
  • Organic Chemistry
    • Aromatic Heterocyclic Compounds: Reactivity and Orientation
    • Diels-Alder Reaction of Pericyclic Reactions: Dienes and Dienophiles
    • Conjugated Dienes and Michael Addition: 1,2 Addition and 1,4 Addition
    • Aldol Reaction and Aldol Condensation: Enolate Synthesis by Acid and Base
    • Claisen Condensation and Dieckmann Condensation: Decarboxylation, Choice of Base
    • Enol and Enolate: α-Carbon of Carbonyl Group and Alkylation
    • Catalytic Hydrogenation: Catalytic Reduction of Pd/C, Deprotection and Lindlar Catalyst
    • Carbonyl Reduction: Hydride Reduction with NaBH4 and LiAlH4
    • Wittig Reaction: Synthesis of Alkenes from Ylides and Carbonyl Compounds
    • HSAB Theory: Meaning the Hard/Soft of Acids and Bases
    • Nucleophilic Acyl Substitution with Carboxylic Acid Derivatives
    • Hydration of Carbonyl Compounds: Acetal Hemiacetal and Protecting Groups
    • Ketones and Aldehydes: Nucleophilic Addition Reaction and Imine/Enamines
    • Nucleophilic Aromatic Substitution: Sandmeyer Reaction and Benzyne
    • Electrophilic Aromatic Substitution: Friedel-Crafts Reaction and Reactivity of Benzene Rings
    • Amines and Thiols: Reactivity of Nucleophilic Substitution and Elimination Reactions
    • Organometallic Compounds: Grignard Reagent and Organolithium Reagent
    • Radical Reactions: Homolysis, Chain Reaction, and Regioselectivity Reaction Mechanisms
    • Reactions of Alcohol: Oxidation and Substitution Reactions by Bases and Acids
    • Reactivity of Ethers and Epoxides: Synthesis and Cleavage Reactions
    • Addition Reactions of Alkynes: Acidity and 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 Base: Brønsted Conjugate Acids and Bases
    • 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? Principles and 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: Beer–Lambert Law
    • Column Chromatography: Separating Compounds and Determine the 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: How to Read Spectra and Couplings
  • Secondary Math
    • Inscribed Angle Theorem: Central Angle and Arc Length
    • Pythagorean Theorem: Formulas and Calculation Methods
    • Midpoint Theorem and Similarity: Proofs, Converse, and Parallelogram Relationships
    • Triangle Similarity in Math: Similarity Theorems, Proof and Similarity Ratio
    • Parallelogram Definition, Theorem (Property) and Proof Problems
    • Properties of Isosceles and Right Triangles: Congruence Theorems and Proof Problems
    • Triangle Congruence Theorems: SSS, SAS, ASA, and AAS
    • Sum of Interior Angles and Exterior Angles of Polygons: Triangles, Quadrilaterals, and Pentagons
    • Vertical, Corresponding, and Alternate Angles: Why Angles are Equal and Proofs
    • The Basics of a Solid of Revolution: Calculate the Volume and Surface Area
    • The volume and Surface Area of a Sphere: Calculations in Math Using Formulas
    • Volume and Surface Area of Pyramids and Cones: Formulas and Generatrix
    • Surface Area of Prisms and Cylinders: Calculations and Formulas
    • The Arc Length and the Sector Area: Circles and Arcs in Math
    • Basics of Math Probability: Coins and Dice with a Tree Diagram
    • Basics of Quadratic Functions: How to Solve Problems and Draw Graphs
    • Quadratic Equations: Square Root, Factorization, and Quadratic Formula
    • Square Root Addition and Subtraction: How to Calculate Fractions and Square Roots
    • Rationalizing the Denominator: How to Eliminate the Square Root
    • Multiply and Divide Square Root: How to Do Prime Factorization
    • Basics of Square Root and Radical Symbol: Rational and Irrational Numbers
    • How to Solve Linear Functions: Graph of Slope/Intercept and Intersection
    • Simultaneous Equations: Addition Method and Substitution Method
    • Direct and Inverse Proportion: Coordinates and Equations in Graphs
    • Linear Equations: Transposition and Tips for Solving Word Problems
    • Expansion by Factoring Formulas and Polynomial Factorization
    • Multiply and Divide Polynomials, Distributive Property, and Substitutions
    • Algebraic Expressions of Monomials and Polynomials: Addition and Subtraction
    • Commutative Property and Associative Property: Addition and Multiplication in Math
    • Four Arithmetic Operations of Positive and Negative Numbers: Priority of Math Calculations
    • Positive and Negative Numbers: Multiplication, Division and Power
    • Positive and Negative Numbers: Addition and Subtraction / Absolute Value
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Category

  • Elementary Math
  • Marketing
  • Organic Chemistry
  • Physical Chemistry
  • Secondary Math

Ranking

  1. Sitemap

    Needs, Wants, and Demands: The three basic concepts in marketing (with Examples)

  2. Sitemap

    NMR Coupling of Benzene Rings: Ortho-Meta Peak and Chemical Shifts

  3. Sitemap

    Nucleophilic Aromatic Substitution: Sandmeyer Reaction and Benzyne

  4. Sitemap

    Enlargement and Reduction, Scale: Geometric Figures in Elementary Math

  5. Sitemap

    Right Angles, Perpendicular Lines, and Parallel Lines: Ggeometry in Elementary Math

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