Online courses directory (39)

Introduction to Evolution and Natural Selection. Ape Clarification. Intelligent Design and Evolution. Evolution Clarification. Natural Selection and the Owl Butterfly. DNA. Variation in a Species. Introduction to Evolution and Natural Selection. Ape Clarification. Intelligent Design and Evolution. Evolution Clarification. Natural Selection and the Owl Butterfly. DNA. Variation in a Species.

Diffusion and Osmosis. Parts of a cell. Chromosomes, Chromatids, Chromatin, etc.. Mitosis, Meiosis and Sexual Reproduction. Phases of Mitosis. Phases of Meiosis. Embryonic Stem Cells. Cancer. Diffusion and Osmosis. Parts of a cell. Chromosomes, Chromatids, Chromatin, etc.. Mitosis, Meiosis and Sexual Reproduction. Phases of Mitosis. Phases of Meiosis. Embryonic Stem Cells. Cancer.

Introduction to Heredity. Punnett Square Fun. Hardy-Weinberg Principle. Sex-Linked Traits. Genetics 101 Part 1: What are genes?. Genetics 101 Part 2: What are SNPs?. Genetics 101 Part 3: Where do your genes come from?. Genetics 101 Part 4: What are Phenotypes?. Introduction to Heredity. Punnett Square Fun. Hardy-Weinberg Principle. Sex-Linked Traits. Genetics 101 Part 1: What are genes?. Genetics 101 Part 2: What are SNPs?. Genetics 101 Part 3: Where do your genes come from?. Genetics 101 Part 4: What are Phenotypes?.

Taxonomy and the Tree of Life. Species. Bacteria. Viruses. Human Prehistory 101: Prologue. Human Prehistory 101 Part 1: Out of (Eastern) Africa. Human Prehistory 101 Part 2: Weathering The Storm. Human Prehistory 101 Part 3: Agriculture Rocks Our World. Human Prehistory 101: Epilogue. Taxonomy and the Tree of Life. Species. Bacteria. Viruses. Human Prehistory 101: Prologue. Human Prehistory 101 Part 1: Out of (Eastern) Africa. Human Prehistory 101 Part 2: Weathering The Storm. Human Prehistory 101 Part 3: Agriculture Rocks Our World. Human Prehistory 101: Epilogue.

ATP: Adenosine Triphosphate. Introduction to Cellular Respiration. Oxidation and Reduction Review From Biological Point-of-View. Oxidation and Reduction in Cellular Respiration. Krebs / Citric Acid Cycle. Glycolysis. Electron Transport Chain. Oxidative Phosphorylation and Chemiosmosis. ATP: Adenosine Triphosphate. Introduction to Cellular Respiration. Oxidation and Reduction Review From Biological Point-of-View. Oxidation and Reduction in Cellular Respiration. Krebs / Citric Acid Cycle. Glycolysis. Electron Transport Chain. Oxidative Phosphorylation and Chemiosmosis.

ATP: Adenosine Triphosphate. Photosynthesis. Photosynthesis: Light Reactions 1. Photosynthesis: Light Reactions and Photophosphorylation. Photosynthesis: Calvin Cycle. Photorespiration. C-4 Photosynthesis. CAM Plants. ATP: Adenosine Triphosphate. Photosynthesis. Photosynthesis: Light Reactions 1. Photosynthesis: Light Reactions and Photophosphorylation. Photosynthesis: Calvin Cycle. Photorespiration. C-4 Photosynthesis. CAM Plants.

The Lungs and Pulmonary System. Red blood cells. Circulatory System and the Heart. Hemoglobin. Anatomy of a Neuron. Sodium Potassium Pump. Correction to Sodium and Potassium Pump Video. Electrotonic and Action Potentials. Saltatory Conduction in Neurons. Neuronal Synapses (Chemical). Myosin and Actin. Tropomyosin and troponin and their role in regulating muscle contraction. Role of the Sarcoplasmic Reticulum in Muscle Cells. Anatomy of a muscle cell. The Kidney and Nephron. Secondary Active Transport in the Nephron. The Lungs and Pulmonary System. Red blood cells. Circulatory System and the Heart. Hemoglobin. Anatomy of a Neuron. Sodium Potassium Pump. Correction to Sodium and Potassium Pump Video. Electrotonic and Action Potentials. Saltatory Conduction in Neurons. Neuronal Synapses (Chemical). Myosin and Actin. Tropomyosin and troponin and their role in regulating muscle contraction. Role of the Sarcoplasmic Reticulum in Muscle Cells. Anatomy of a muscle cell. The Kidney and Nephron. Secondary Active Transport in the Nephron.

Role of Phagocytes in Innate or Nonspecific Immunity. Types of immune responses: Innate and Adaptive. Humoral vs. Cell-Mediated. B Lymphocytes (B cells). Professional Antigen Presenting Cells (APC) and MHC II complexes. Helper T Cells. Cytotoxic T Cells. Review of B cells, CD4+ T cells and CD8+ T cells. Inflammatory Response. Role of Phagocytes in Innate or Nonspecific Immunity. Types of immune responses: Innate and Adaptive. Humoral vs. Cell-Mediated. B Lymphocytes (B cells). Professional Antigen Presenting Cells (APC) and MHC II complexes. Helper T Cells. Cytotoxic T Cells. Review of B cells, CD4+ T cells and CD8+ T cells. Inflammatory Response.

Elements and Atoms. Introduction to the atom. Elements and Atoms. Introduction to the atom.

Orbitals. More on orbitals and electron configuration. Electron configurations. Electron configurations 2. Valence Electrons. Orbitals. More on orbitals and electron configuration. Electron configurations. Electron configurations 2. Valence Electrons.

Groups of the Periodic Table. Valence Electrons. Periodic Table Trends: Ionization Energy. Other Periodic Table Trends. Ionic, Covalent, and Metallic Bonds. Groups of the Periodic Table. Valence Electrons. Periodic Table Trends: Ionization Energy. Other Periodic Table Trends. Ionic, Covalent, and Metallic Bonds.

Molecular and Empirical Formulas. The Mole and Avogadro's Number. Formula from Mass Composition. Another mass composition problem. Balancing Chemical Equations. Stoichiometry. Stoichiometry Example Problem 1. Stoichiometry Example Problem 2. Stoichiometry: Limiting Reagent. Limiting Reactant Example Problem 1. Spectrophotometry Introduction. Spectrophotometry Example. Molecular and Empirical Formulas. The Mole and Avogadro's Number. Formula from Mass Composition. Another mass composition problem. Balancing Chemical Equations. Stoichiometry. Stoichiometry Example Problem 1. Stoichiometry Example Problem 2. Stoichiometry: Limiting Reagent. Limiting Reactant Example Problem 1. Spectrophotometry Introduction. Spectrophotometry Example.

Ideal Gas Equation: PV=nRT. Ideal Gas Equation Example 1. Ideal Gas Equation Example 2. Ideal Gas Equation Example 3. Ideal Gas Equation Example 4. Partial Pressure. Vapor Pressure Example. Ideal Gas Equation: PV=nRT. Ideal Gas Equation Example 1. Ideal Gas Equation Example 2. Ideal Gas Equation Example 3. Ideal Gas Equation Example 4. Partial Pressure. Vapor Pressure Example.

States of Matter. States of Matter Follow-Up. Specific Heat, Heat of Fusion and Vaporization. Chilling Water Problem. Phase Diagrams. Van Der Waals Forces. Covalent Networks, Metallic, and Ionic Crystals. Vapor Pressure. Suspensions, Colloids and Solutions. Solubility. Boiling Point Elevation and Freezing Point Suppression. Change of State Example. States of Matter. States of Matter Follow-Up. Specific Heat, Heat of Fusion and Vaporization. Chilling Water Problem. Phase Diagrams. Van Der Waals Forces. Covalent Networks, Metallic, and Ionic Crystals. Vapor Pressure. Suspensions, Colloids and Solutions. Solubility. Boiling Point Elevation and Freezing Point Suppression. Change of State Example.

Introduction to Kinetics. Reactions in Equilibrium. Mini-Video on Ion Size. Keq Intuition (mathy and not necessary to progress). Keq derivation intuition (can skip; bit mathy). Heterogeneous Equilibrium. Le Chatelier's Principle. Introduction to pH, pOH, and pKw. Introduction to Kinetics. Reactions in Equilibrium. Mini-Video on Ion Size. Keq Intuition (mathy and not necessary to progress). Keq derivation intuition (can skip; bit mathy). Heterogeneous Equilibrium. Le Chatelier's Principle. Introduction to pH, pOH, and pKw.

Acid Base Introduction. pH, pOH of Strong Acids and Bases. pH of a Weak Acid. pH of a Weak Base. Conjugate Acids and Bases. pKa and pKb Relationship. Buffers and Hendersen-Hasselbalch. Strong Acid Titration. Weak Acid Titration. Half Equivalence Point. Titration Roundup. Acid Base Titration. Acid Base Introduction. pH, pOH of Strong Acids and Bases. pH of a Weak Acid. pH of a Weak Base. Conjugate Acids and Bases. pKa and pKb Relationship. Buffers and Hendersen-Hasselbalch. Strong Acid Titration. Weak Acid Titration. Half Equivalence Point. Titration Roundup. Acid Base Titration.

Introduction to Oxidation States. More on Oxidation States. Hydrogen Peroxide Correction. Redox Reactions. Galvanic Cells. Introduction to Oxidation States. More on Oxidation States. Hydrogen Peroxide Correction. Redox Reactions. Galvanic Cells.

Types of Decay. Half-Life. Exponential Decay Formula Proof (can skip, involves Calculus). Introduction to Exponential Decay. More Exponential Decay Examples. Types of Decay. Half-Life. Exponential Decay Formula Proof (can skip, involves Calculus). Introduction to Exponential Decay. More Exponential Decay Examples.

Topics covered in college organic chemistry course. Basic understanding of basic high school or college chemistry assumed. Representing Structures of Organic Molecules. Naming Simple Alkanes. Naming Alkanes with Alkyl Groups. Correction - 2-Propylheptane should never be the name!. Common and Systematic Naming-Iso, Sec and Tert Prefixes. Organic Chemistry Naming Examples 1. Organic Chemistry Naming Examples 2. Organic Chemistry Naming Examples 3. Organic Chemistry Naming Examples 4. Organic Chemistry Naming Examples 5. Naming Alkenes Examples. Naming Alkyl Halides. sp3 Hybridized Orbitals and Sigma Bonds. Pi bonds and sp2 Hybridized Orbitals. Newman Projections. Newman Projections 2. Chair and Boat Shapes for Cyclohexane. Double Newman Diagram for Methcyclohexane. Introduction to Chirality. Chiral Examples 1. Chiral Examples 2. Cahn-Ingold-Prelog System for Naming Enantiomers. R,S (Cahn-Ingold-Prelog) Naming System Example 2. Stereoisomers, Enantiomers, Diastereomers, Constitutional Isomers and Meso Compounds. Cis-Trans and E-Z Naming Scheme for Alkenes. Entgegen-Zusammen Naming Scheme for Alkenes Examples. Introduction to Reaction Mechanisms. Markovnikov's Rule and Carbocations. Addition of Water (Acid-Catalyzed) Mechanism. Polymerization of Alkenes with Acid. Sn2 Reactions. Sn1 Reactions. Steric Hindrance. Sn2 Stereochemistry. Solvent Effects on Sn1 and Sn2 Reactions. Nucleophilicity (Nucleophile Strength). Nucleophilicity vs. Basicity. E2 Reactions. E1 Reactions. Zaitsev's Rule. Comparing E2 E1 Sn2 Sn1 Reactions. E2 E1 Sn2 Sn1 Reactions Example 2. E2 E1 Sn2 Sn1 Reactions Example 3. Free Radical Reactions. Alcohols. Alcohol Properties. Resonance. Ether Naming and Introduction. Cyclic ethers and epoxide naming. Ring-opening Sn2 reaction of expoxides. Sn1 and Sn2 epoxide opening discussion. Aromatic Compounds and Huckel's Rule. Naming Benzene Derivatives Introduction. Electrophilic Aromatic Substitution. Bromination of Benzene. Amine Naming Introduction. Amine Naming 2. Amine as Nucleophile in Sn2 Reaction. Amine in Sn2 part 2. Sn1 Amine Reaction. Aldehyde Introduction. Ketone Naming. Friedel Crafts Acylation. Friedel Crafts Acylation Addendum. Keto Enol Tautomerization. Carboxlic Acid Introduction. Carboxylic Acid Naming. Fisher Esterification. Acid Chloride Formation. Amides, Anhydrides, Esters and Acyl Chlorides. Relative Stability of Amides Esters Anhydrides and Acyl Chlorides. Amide Formation from Acyl Chloride. Aldol Reaction.

conjugation, conjugated dienes, addition reactions of conjugated dienes, diels-alder reaction, MO theory, color. addition reaction of conjugated dienes I: mechanism. addition reaction of conjugated dienes II: example. addition reaction of conjugated dienes III: control. diels-alder I: mechanism. diels-alder II: endo vs exo. diels-alder III: stereochemistry of dienophile. diels-alder IV: stereochemistry of diene. diels-alder V: regiochemistry. diels-alder VI: more regiochemistry. diels-alder VII: intramolecular. intro to molecular orbital (MO) theory. MO theory for butadiene. MO theory for Diels-Alder. intro to color theory. conjugation and color. color in organic molecules. addition reaction of conjugated dienes I: mechanism. addition reaction of conjugated dienes II: example. addition reaction of conjugated dienes III: control. diels-alder I: mechanism. diels-alder II: endo vs exo. diels-alder III: stereochemistry of dienophile. diels-alder IV: stereochemistry of diene. diels-alder V: regiochemistry. diels-alder VI: more regiochemistry. diels-alder VII: intramolecular. intro to molecular orbital (MO) theory. MO theory for butadiene. MO theory for Diels-Alder. intro to color theory. conjugation and color. color in organic molecules.