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
29/11/2023
Les bases de la théorie cinétique moléculaire en chimie.
Les bases de la théorie cinétique moléculaire en chimie.
La théorie cinétique moléculaire est un modèle qui tente d'expliquer ce qui se passe en termes de groupes d'atomes et de molécules qui entrent en collision les uns avec les autres...
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
2
26/11/2023
Formes des Molécules
Formes des Molécules
La forme a-t-elle une importance en géométrie moléculaire ? Quelle est la différence entre la géométrie moléculaire et la forme moléculaire ? Explorez la structure des molécules !
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
3
26/11/2023
Quantification de l'énergie cinétique.
Quantification de l'énergie cinétique.
Il y a plus de 120 ans, Max Planck a formulé la théorie mathématique de l'énergie quantifiée dans le but d'expliquer le rayonnement du corps noir...
atomic spectra blackbody blackbody radiation discrete Planck’s constant quantization
4
26/11/2023
Qu'est-ce que la Table périodique ?
Qu'est-ce que la Table périodique ?
Qu'est-ce qu'une définition simple du tableau périodique ? Le tableau périodique peut être décrit de la manière la plus simple comme un diagramme qui organise les éléments chimiques en une représentation visuelle facile à identifier et à suivre.
periodic table chemical elements of matter periods groups atomic number electron shell configuration filling of electrons in valence shells Dimitri Mendeleev unstable elements transactinides element blocks s-block p-block d-block f-block non-reactive elements metals metalloids nonmetals g-block extended periodic table IUPAC The Long Periodic Table The 32-Column Periodic Table Madelung rule Aufbau principle
5
26/11/2023
Un guide rapide sur les propriétés de la matière.
Un guide rapide sur les propriétés de la matière.
Quelles sont les propriétés de la matière ? Apprenez-en davantage sur la structure de la matière, les différents états de la matière, les propriétés physiques vs chimiques, et bien plus encore !
intensive properties chemical potential concentration density magnetic permeability melting point boiling point specific gravity molality pressure refractive index specific conductance electrical conductivity specific heat capacity specific internal energy specific rotation specific volume standard reduction potential surface tension temperature thermal conductivity viscosity extensive properties amount of substance enthalpy entropy Gibbs energy heat capacity Helmholtz energy internal energy mass volume chemical properties ability to corrode acidity basicity substance chemical stability combustibility enthalpy of formation flammability heat of combustion preferred oxidation state toxicity average atomic mass  atomic size electron configuration electronegativity Pauling First Ionization Energy radii Van der Waals   covalent valence electrons electron gain enthalpy  electron affinity Properties of Matter physical properties extensive intensive chemical properties states of matter properties of elements periodic table compound homogeneous mixture heterogeneous mixture
6
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