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1:36:09 Stanford University English 2011

Topics in String Theory | Lecture 4

(January 31, 2011) Leonard Susskind gives a lecture on string theory and particle physics that focuses on the geometry of a black hole near the horizon. He describes how standard concepts from quantum physics can explain the physics that occur at this point. In the last of course of this series, Leonard Susskind continues his exploration of string theory that attempts to reconcile quantum mechanics and general relativity. In particular, the course focuses on string theory with regard to important issues in contemporary physics.
  • Published: 2011
  • Publisher: Stanford University
  • Language: English
1:09:52 University of California Irvine (UCI) English 2013

Classical Physics Lecture 7

  • Published: 2013
  • Publisher: University of California Irvine (UCI)
  • Language: English
13:49 Paul Jerabek, Julian Hegemann, Andreas Authmann German 2011

Eine Konvention gegen chemische Waffen

Prof. Reichardt erzählt von politischen Bewegungen gegen chemische Waffen und ob sie etwas gebracht haben.
  • Published: 2011
  • Publisher: Paul Jerabek, Julian Hegemann, Andreas Authmann
  • Language: German
46:11 University of California Irvine (UCI) English 2012

Lecture 13. The Carnot Cycle.

UCI Chem 131C Thermodynamics and Chemical Dynamics (Spring 2012) Lec 13. Thermodynamics and Chemical Dynamics -- The Carnot Cycle -- Instructor: Reginald Penner, Ph.D. Description: In Chemistry 131C, students will study how to calculate macroscopic chemical properties of systems. This course will build on the microscopic understanding (Chemical Physics) to reinforce and expand your understanding of the basic thermo-chemistry concepts from General Chemistry (Physical Chemistry.) We then go on to study how chemical reaction rates are measured and calculated from molecular properties. Topics covered include: Energy, entropy, and the thermodynamic potentials; Chemical equilibrium; and Chemical kinetics. Index of Topics: 0:00:06 Carnot Cycle 0:14:59 Efficiency 0:21:05 S is a State Function 0:26:43 Efficiency of Irreversible Processes 0:30:13 Clausius Inequality 0:33:42 The Second Law of Thermodynamics
  • Published: 2012
  • Publisher: University of California Irvine (UCI)
  • Language: English
44:54 University of California Irvine (UCI) English 2013

Lecture 09. Alkynes, Part 1

This is the second quarter of the organic chemistry series. Topics covered include: Fundamental concepts relating to carbon compounds with emphasis on structural theory and the nature of chemical bonding, stereochemistry, reaction mechanisms, and spectroscopic, physical, and chemical properties of the principal classes of carbon compounds. This video is part of a 26-lecture undergraduate-level course titled "Organic Chemistry" taught at UC Irvine by Professor David Van Vranken. Index of Topics: 00:11- Why Europe's Healthiest Economy Has Its Worst Drug Problem 01:36- Morphine and Fentanyl 02:56- 10.8: Recall Addition of Electrophiles to Alkenes 06:46- 10.16: Hydroboration-Oxidation 10:47- 10.16: Hydroboration Step 16:58- 10.16B: Oxidation of the C-B Bond 21:16- 10.17, 10.18: Keeping Track, Alkenes in Synthesis 29:25- Multi-step synthesis CHAPTER 11-Alkynes 33:49- 11.1: Introduction 38:09- 11.1: Reactivity
  • Published: 2013
  • Publisher: University of California Irvine (UCI)
  • Language: English
1:10:22 University of California Irvine (UCI) English 2012

Lec. 13. "Clean Natural Gases" and More Review Problems

UCI Chem 1B General Chemistry (Spring 2012) Lec 13. General Chemistry Intermolecular Forces -- Clean Natural Gases -- Instructor: Athan J. Shaka. Ph.D. Description: UCI Chem 1B is the second quarter of General Chemistry and covers the following topics: properties of gases, liquids, solids; changes of state; properties of solutions; stoichiometry; thermochemistry; and thermodynamics.
  • Published: 2012
  • Publisher: University of California Irvine (UCI)
  • Language: English
51:14 University of California Irvine (UCI) English 2013

Lecture 16. Infrared Spectroscopy + Ch. 14

This is the second quarter of the organic chemistry series. Topics covered include: Fundamental concepts relating to carbon compounds with emphasis on structural theory and the nature of chemical bonding, stereochemistry, reaction mechanisms, and spectroscopic, physical, and chemical properties of the principal classes of carbon compounds. This video is part of a 26-lecture undergraduate-level course titled "Organic Chemistry" taught at UC Irvine by Professor David Van Vranken. Topics Covered: Infrared Spectroscopy and Chapter 14. Index of Topics: 00:09- Superomniphobic material 01:47- Underlying Molecules CHAPTER 13- Mass Spectrometry and Infrared Spectroscopy 04:42- 13.1: The Mass Spectrometer-how does it work? 09:26- 13.1-13.3: Mass spectra are complex due to fragmentation 11:55- 13.4: The Exact Mass gives the Molecular Formula 15:14- 10.2: Use the Molecular Formula to determine Degree of Unsaturation 19:25- 13.5: Electromagnetic Radiation and Infrared 22:45- 13.6: Dumb Characteristics of an IR spectrum 26:56- 13.6: Key Frequency Regions of the IR spectrum 32:22- 13.6: Practice: Regions of the IR spectrum 34:58- 13.6,7: Polar Bonds Lead to Intense Peaks 39:35- 13.7: Hydrogen bonding leads to lumpy peaks 42:06- 13.6: Dumb Characteristics of an IR spectrum (revisited) 42:44- 13.6,7: Check if C-H stretches are above or below 300 cm^(-1) 46:00- Reading Spectra Examples
  • Published: 2013
  • Publisher: University of California Irvine (UCI)
  • Language: English
51:45 University of California Irvine (UCI) English 2013

Lecture 18. NMR Spectroscopy, Part 2

This is the second quarter of the organic chemistry series. Topics covered include: Fundamental concepts relating to carbon compounds with emphasis on structural theory and the nature of chemical bonding, stereochemistry, reaction mechanisms, and spectroscopic, physical, and chemical properties of the principal classes of carbon compounds. This video is part of a 26-lecture undergraduate-level course titled "Organic Chemistry" taught at UC Irvine by Professor David Van Vranken. Index of Topics: 00:13- Hash Oil 01:25- Structure of tetrahydrocannaboil 04:02- 14.11, 14.12: C NMR Chemical Shift Ranges 11:20- 14.11, 14.12: Practice Using C NMR Chemical Shift Ranges 15:40- 14.2: How many signals should I expect in the H spectrum? 20:46- 14.2: Diastereotopic or Enantiotopic Protons? Use the Z-test 27:19- 14.2: Use the Z-test, Slide 2 29:58- 14.3B: H NMR Chemical Shift Ranges 39:27- 14.3A, 14.4: Shielding and Deshielding Effects-anisotropy 42:23- 14.3A, 14.4: Shielding and Deshielding Effects-proximity to the pi system 46:03- 14.3A, 14.4: Sheilding and Deshielding Effects-electronegative atoms 48:32- 14.5: Integration of H NMR Peaks
  • Published: 2013
  • Publisher: University of California Irvine (UCI)
  • Language: English
51:28 University of California Irvine (UCI) English 2013

Lecture 20. Radicals

This is the second quarter of the organic chemistry series. Topics covered include: Fundamental concepts relating to carbon compounds with emphasis on structural theory and the nature of chemical bonding, stereochemistry, reaction mechanisms, and spectroscopic, physical, and chemical properties of the principal classes of carbon compounds. This video is part of a 26-lecture undergraduate-level course titled "Organic Chemistry" taught at UC Irvine by Professor David Van Vranken. Index of Topics: 00:17- Pycnogenol 00:42- What is Pycnogenol? 01:11- Molecular Structure of Pycnogenol 03:22- 14.8: Splitting by More than One Type of Proton 07:55- 14.9: Time Dependence of H NMR Spectroscopy-Bond Rotation 09:42- 14.9: Time Dependence of H NMR Spectroscopy CHAPTER 15- Radicals 15:37- 15.1: Radicals-Reactivity and Stability 21:04- 15.1, 15.2: Reactions of Radicals-a specialized arrow symbol 24:55- 15.3, 15.6, 15.7: Selective conversion of tertiary R-H to tertiary R-Br 29:35- 15.4: Mechanism for Radical Bromination 36:26- 15.8: Carbon radicals react on either end of the p orbital 42:15- 15.10: Allylic Bromination 48:06- 15.13: Anti-Markovinkov of HBr to H2C=CHR 50:39- Chapter 15-Radical Summary
  • Published: 2013
  • Publisher: University of California Irvine (UCI)
  • Language: English
45:59 University of California Irvine (UCI) English 2013

Lecture 13. Reduction and Oxidation, Part 1

This is the second quarter of the organic chemistry series. Topics covered include: Fundamental concepts relating to carbon compounds with emphasis on structural theory and the nature of chemical bonding, stereochemistry, reaction mechanisms, and spectroscopic, physical, and chemical properties of the principal classes of carbon compounds. This video is part of a 26-lecture undergraduate-level course titled "Organic Chemistry" taught at UC Irvine by Professor David Van Vranken. Index of Topics: 00:10- Imitation Vanilla 01:13- 'Vanilla Extract' produced in Mexico is no bargain 02:09- The Tonka Bean 03:30- Structure of Vanillin vs. Coumarin CHAPTER 12-Oxidation and Reduction 05:52- 12.1: Introduction 12:42- 12.2: Secret "Hydride" Reducing Agents from Ch 20 15:54- 12.2: Other Reducing Agents 19:20- 12.3,12.4: Hydrogenation of Alkenes 25:12- 12.3,12.4: Hydrogenation of Alkenes-Benzene rings, C=C bonds 29:37- 12.5A,B: Partial Hydrogenation of Alkynes 32:20- 12.5 A,B: Hydrogenation of Alkynes 37:17- 12.5C: Partial Hydrogenation of Alkynes to Alkenes 42:57- 12.5C: Dissolving metal reduction
  • Published: 2013
  • Publisher: University of California Irvine (UCI)
  • Language: English
50:29 University of California Irvine (UCI) English 2013

Lecture 10. Alkynes, Part 2

This is the second quarter of the organic chemistry series. Topics covered include: Fundamental concepts relating to carbon compounds with emphasis on structural theory and the nature of chemical bonding, stereochemistry, reaction mechanisms, and spectroscopic, physical, and chemical properties of the principal classes of carbon compounds. This video is part of a 26-lecture undergraduate-level course titled "Organic Chemistry" taught at UC Irvine by Professor David Van Vranken. Index of Topics: 00:10- Gatorade to remove controversial ingredient 02:36- Soybean oil vs. brominated vegetable oil 05:20- 11.2,11.3,11.4: Names, Properties, Examples 11:00- 11.5: Make Alkynes Through Dehydrohalogenation 16:48- 11.5: Super Basic Condns 22:29- 11.5: Make Alkynes Through Dehydrohalogenation 26:38- 11.6: Alkyne Reactivity 30:54- 11.6: Alkyne Reactivity, Slide 2 34:13- 11.7: Addition of HX to Alkynes 37:17- 11.7: Addition of HX to Alkynes, Slide 2 41:24- 11.7: Addition of HX to Vinyl Halides
  • Published: 2013
  • Publisher: University of California Irvine (UCI)
  • Language: English
51:20 University of California Irvine (UCI) English 2012

Lec. 15. Electrophilic Addition of E+ to C=C (Pt. II) & Lec 16. Formation of Carbon-Carbon Bonds

UCI Chem 201 Organic Reaction Mechanisms I (Fall 2012) Lec 15 and Lec 16. Organic Reaction Mechanism -- Addition of Electrophilic to C=C (Part 2) & C-C Bonds Instructor: David Van Vranken, Ph.D. Description: Advanced treatment of basic mechanistic principles of modern organic chemistry. Topics include molecular orbital theory, orbital symmetry control of organic reactions, aromaticity, carbonium ion chemistry, free radical chemistry, the chemistry of carbenes and carbanions, photochemistry, electrophilic substitutions, aromatic chemistry.
  • Published: 2012
  • Publisher: University of California Irvine (UCI)
  • Language: English
55:20 University of California Irvine (UCI) English 2012

Lec. 06. Carbocation Stabilization by Vicinal Sigma Bonds.

UCI Chem 201 Organic Reaction Mechanisms I (Fall 2012) Lec 06. Organic Reaction Mechanism -- Carbocation Stabilization bt Vicinal Sigma Bonds Instructor: David Van Vranken, Ph.D. Description: Advanced treatment of basic mechanistic principles of modern organic chemistry. Topics include molecular orbital theory, orbital symmetry control of organic reactions, aromaticity, carbonium ion chemistry, free radical chemistry, the chemistry of carbenes and carbanions, photochemistry, electrophilic substitutions, aromatic chemistry.
  • Published: 2012
  • Publisher: University of California Irvine (UCI)
  • Language: English
51:43 University of California Irvine (UCI) English 2012

Lecture 01. Arrow Pushing. Part 2

UCI Chem 201 Organic Reaction Mechanisms I (Fall 2012) Lec 01. Organic Reaction Mechanism -- Arrow Pushing -- Part 2 Instructor: David Van Vranken, Ph.D. Description: Advanced treatment of basic mechanistic principles of modern organic chemistry. Topics include molecular orbital theory, orbital symmetry control of organic reactions, aromaticity, carbonium ion chemistry, free radical chemistry, the chemistry of carbenes and carbanions, photochemistry, electrophilic substitutions, aromatic chemistry.
  • Published: 2012
  • Publisher: University of California Irvine (UCI)
  • Language: English
49:18 University of California Irvine (UCI) English 2012

Lec. 11. Eliminations (Pt. II) & Lec. 12. Addition to Pi Star (π*)

UCI Chem 201 Organic Reaction Mechanisms I (Fall 2012) Lec 11 and Lec 12. Organic Reaction Mechanism -- Eliminations (Part 2) & Addition to Pi Star (π*) Instructor: David Van Vranken, Ph.D. Description: Advanced treatment of basic mechanistic principles of modern organic chemistry. Topics include molecular orbital theory, orbital symmetry control of organic reactions, aromaticity, carbonium ion chemistry, free radical chemistry, the chemistry of carbenes and carbanions, photochemistry, electrophilic substitutions, aromatic chemistry.
  • Published: 2012
  • Publisher: University of California Irvine (UCI)
  • Language: English
51:00 University of California Irvine (UCI) English 2012

Lec 09. Pt. 3. & Lec. 10. Migratory Displacements

UCI Chem 201 Organic Reaction Mechanisms I (Fall 2012) Lec 09 Pt. 3 and Lec 10. Organic Reaction Mechanisms -- Addition to Sigma Star (σ*) & Migratory Displacements Instructor: David Van Vranken, Ph.D. Description: Advanced treatment of basic mechanistic principles of modern organic chemistry. Topics include molecular orbital theory, orbital symmetry control of organic reactions, aromaticity, carbonium ion chemistry, free radical chemistry, the chemistry of carbenes and carbanions, photochemistry, electrophilic substitutions, aromatic chemistry.
  • Published: 2012
  • Publisher: University of California Irvine (UCI)
  • Language: English
1:00:05 Ruhr-Universität Bochum (RUB), Fakultät für Chemie und Biochemie English 2013

Lecture Stoechiometric Organometallics 19 - 17.12.13

Metal-specific features: Organotitanium Chemistry
  • Published: 2013
  • Publisher: Ruhr-Universität Bochum (RUB), Fakultät für Chemie und Biochemie
  • Language: English
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