Knowledge Base

Atomic Structure Electron Configuration Ionic and Covalent Bonds Nucleophile vs. Electrophile IUPAC Nomenclature Types of Isomers Halogenation of Alkanes Scientific Method and Notation The International System of Units The Properties of Matter Derived Units: Volume, Density, & Energy Uncertainty in Measurement Atoms and Elements States and Classification of Matter The Atomic Theory Atomic Numbers Ions: Cations & Anions Naming Binary Compounds The Law of Constant Composition Empirical vs. Molecular Formula Chemical Reactions Balancing Chemical Equations Group Properties The Periodic Table Alkyl Halide Reactions Nomenclature of Alcohols Alcohol Protecting Groups Nomenclature of Heterocycles Aromatic Heterocyclopentadienes Synthesis of Amino Acids Peptide Sequencing Wave Model of Light Photons and Photoelectric Effect Wave-Particle Duality Atomic Line Spectra Quantum Numbers Electronic Structure Principles Arrangement of Electrons Excited States Periodicity in Properties of Elements Types of Bonding Ionic Compounds Electron Configuration of Ions Sizes of Ions Ionic Bond Energies Lewis Structures Exceptions to the Octet Rule Electronegativity & Polarity VSEPR Theory Prediction of Molecular Geometry Deviation from Ideal Bond Angles Molecular Geometry and Polarity Isomers Masses and Mole Number Valence Bond Theory Multiple Bonds Hybrid Orbitals Molecular Orbital Theory Acid-Base Theories Oxidation-Reduction Reactions Types of Reaction Average Atomic Mass Percent Composition by Mass Combustion Analysis Stoichiometry Limiting Reactant Percent Yield Molarity vs. Molality Electrolytes Acid-Base Titrations Gas Properties Gas Laws Ideal Gas Law – Molar Volume, Molar Mass and Density Dalton’s Law of Partial Pressures Kinetic Theory and Speed Distribution Internal Energy, Heat and Work Enthalpy Enthalpy Relationships Enthalpy of Formation Bond Enthalpies Heat Capacity Intermolecular Forces Properties of Liquids Vapor Pressure Colloids Graham’s Law of Effusion Mean Free Path Reaction Rates First-Order Reactions Radioactive Decay Activation Energy Arrhenius Equation Solution Concentrations Raoult’s Law Boiling Point Elevation Chemical Equilibrium Le Châtelier’s Principle Approach to Equilibrium Acids and Bases pH and pOH Buffers Indicators Solubility-Product Constants Formation of Complexes Precipitation Criteria Entropy Changes for Reactions Oxidation-Reduction Reactions Half Reactions Balancing Equations for Oxidation-Reduction Reactions Electric Energy and Charge Electrochemical Cells Cell Diagrams Lewis Structures The Mole Core vs. Valence Electrons Effective Nuclear Charge The Octet Rule Lone Pair Effect Factors Favoring SN1 or SN2

Knowledge Base - Chemistry Coach

1
18/12/2021
Organic Chemistry: Building Reaction Maps
Organic Chemistry: Building Reaction Maps
Organic chemistry is an important part of your education. One way to make it easier is by learning how reactions happen and linking functional groups together with these reactions. 
reaction map synthesis problems functional groups product
2
28/11/2021
Cation vs. Anion
Cation vs. Anion
Cation vs. Anion vs. Ion... What is the difference? Well, both cations and anions are ions, they just have different physical properties. Cations are formed when...
anion anode cathode cation electron lattice energy negatively (-) charged ion nuclear charge polarity positively (+) charged ion proton valence orbitals
3
26/11/2021
Shapes of Molecules
Shapes of Molecules
Does Shape Matter in Molecular Geometry? What is the Difference Between Molecular Geometry and Molecular Shape? Explore the structure of molecules!
AXE method bonding pairs bonding patterns central atom ideal bond angle lone pair long-chain molecule molecular geometry molecular shape multiple bonds multiple central atoms non-polar physical properties polarity polar steric number structure of molecules VSEPR
4
07/11/2021
Quantization of Kinetic Energy
Quantization of Kinetic Energy
More than 120 years ago, Max Planck formulated the mathematical theory of quantized energy in his endeavor to explain black body radiation...
atomic spectra blackbody blackbody radiation discrete Planck’s constant quantization
5
07/11/2021
The Branches of Chemistry
The Branches of Chemistry
Understanding the various branches of chemistry can help us appreciate just how prolific a discipline it is. In today's world, chemists are not limited to just a short list of disciplines...
Physical Chemistry Organic Chemistry Inorganic Chemistry Chemical Kinetics Chemical Physics Electrochemistry Femtochemistry Geochemistry Photochemistry Quantum chemistry Solid-state chemistry Spectroscopy Stereochemistry Surface science Thermochemistry Calorimetry Biochemistry Neurochemistry Molecular biochemistry Bioorganic chemistry Genetic engineering Biophysical chemistry Medicinal chemistry Organometallic chemistry Physical organic chemistry Polymer chemistry Click chemistry Bioinorganic chemistry Cluster chemistry Materials chemistry Nuclear chemistry Analytical chemistry Astrochemistry Cosmochemistry Computational chemistry Environmental chemistry Green chemistry Supramolecular chemistry Theoretical chemistry Wet chemistry Agrochemistry Atmospheric chemistry Chemical engineering Chemical biology Chemo-informatics Flow chemistry Immunohistochemistry Immunochemistry Chemical oceanography Materials science Mathematical chemistry Mechanochemistry Molecular biology Molecular mechanics Nanotechnology Petrochemistry Pharmacology Phytochemistry Radiochemistry Sonochemistry Synthetic chemistry
6
06/11/2021
The Basics of Kinetic Molecular Theory in Chemistry
The Basics of Kinetic Molecular Theory in Chemistry
Kinetic Molecular Theory is a model that attempts to explain what happens in terms of groups of atoms and molecules colliding with each other...
atoms average kinetic energy chemical properties of matter diffusion gas kinetic kinetic molecular theory lattice liquid molecules particles phase physical properties of matter pressure solid temperature volume