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description: Listening Length: 30 hours and 6 minutesChemistry and Our Universe: How It All Works is your in-depth introduction to this vital field taught over 60 visually innovative half-hour lectures that are suitable for the chemist in all of us no matter what our background. Covering a years worth of introductory general chemistry at the college level plus intriguing topics that are rarely discussed in the classroom this amazingly comprehensive course requires nothing more advanced than high-school math. Employing simple concepts logical reasoning and vivid graphics that illuminate the wonders of chemistry these lectures make essential concepts crystal clear. Best of all this highly interactive approach features extensive hands-on dramatic demonstrations from which you will gain extraordinary insight into how the universe works.Your guide is Professor Ron B. Davis Jr. a research chemist and award-winning teacher at Georgetown University. With passion and humor Professor Davis guides you through the fascinating world of atoms molecules and their ceaseless interactions showing you how to think analyze problems and predict outcomes like a true expert in the field.Chemistry and Our UniverseTable of ContentsINTRODUCTIONProfessor Biography . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iCourse Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1LECTURE GUIDESLECTURE 1Is Chemistry the Science of Everything? . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4LECTURE 2Matter and Measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11LECTURE 3Wave Nature of Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18LECTURE 4Particle Nature of Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25LECTURE 5Basic Structure of the Atom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30LECTURE 6Electronic Structure of the Atom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38LECTURE 7Periodic Trends: Navigating the Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46LECTURE 8Compounds and Chemical Formulas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53Table of Contents iiiLECTURE 9Joining Atoms: The Chemical Bond . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60LECTURE 10Mapping Molecules: Lewis Structures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67LECTURE 11VSEPR Theory and Molecular Geometry . . . . . . . . . . . . . . . . . . . . . . . . . . 76LECTURE 12Hybridization of Orbitals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87LECTURE 13Molecular Orbital Theory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94LECTURE 14Communicating Chemical Reactions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102LECTURE 15Chemical Accounting: Stoichiometry . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110LECTURE 16Enthalpy and Calorimetry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117LECTURE 17Hesss Law and Heats of Formation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124LECTURE 18Entropy: The Role of Randomness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131LECTURE 19Influence of Free Energy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138LECTURE 20Intermolecular Forces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144iv Chemistry and Our UniverseLECTURE 21Phase Changes in Matter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152LECTURE 22Behavior of Gases: Gas Laws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159LECTURE 23Kinetic Molecular Theory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166LECTURE 24Liquids and Their Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172LECTURE 25Metals and Ionic Solids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181LECTURE 26Covalent Solids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190LECTURE 27Mixing It Up: Solutions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198LECTURE 28Solubility and Saturation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205LECTURE 29Colligative Properties of Solutions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211LECTURE 30Modeling Reaction Rates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217LECTURE 31Temperature and Reaction Rates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226LECTURE 32Reaction Mechanisms and Catalysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234Table of Contents vLECTURE 33The Back and Forth of Equilibrium . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .242LECTURE 34Manipulating Chemical Equilibrium . . . . . . . . . . . . . . . . . . . . . . . . . . . . .249LECTURE 35Acids Bases and the pH Scale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256LECTURE 36Weak Acids and Bases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262LECTURE 37AcidBase Reactions and Buffers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270LECTURE 38Polyprotic Acids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 278LECTURE 39Structural Basis for Acidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 285LECTURE 40Electron Exchange: Redox Reactions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 293LECTURE 41Electromotive Force and Free Energy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 301LECTURE 42Storing Electrical Potential: Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 307LECTURE 43Nuclear Chemistry and Radiation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 315LECTURE 44Binding Energy and the Mass Defect . . . . . . . . . . . . . . . . . . . . . . . . . . . . 323vi Chemistry and Our UniverseLECTURE 45Breaking Things Down: Nuclear Fission . . . . . . . . . . . . . . . . . . . . . . . . . . 332LECTURE 46Building Things Up: Nuclear Fusion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 340LECTURE 47Introduction to Organic Chemistry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 347LECTURE 48Heteroatoms and Functional Groups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 358LECTURE 49Reactions in Organic Chemistry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 366LECTURE 50Synthetic Polymers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 374LECTURE 51Biological Polymers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 381LECTURE 52Medicinal Chemistry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 389LECTURE 53Poisons Toxins and Venoms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 397LECTURE 54Chemical Weapons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 404LECTURE 55Tapping Chemical Energy: Fuels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 411LECTURE 56Unleashing Chemical Energy: Explosives . . . . . . . . . . . . . . . . . . . . . . . . . 419Table of Contents viiLECTURE 57Chemistry of the Earth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 426LECTURE 58Chemistry of Our Oceans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 433LECTURE 59Atmospheric Chemistry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 440LECTURE 60Chemistry Life and the Cosmos . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 447SUPPLEMENTAL MATERIALBibliography . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 455Image Credits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 460
language: English
title: Chemistry and Our Universe: How It All Works
publisher: The Great Courses