Chemical Processes
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This lecture begins a series describing the development of organic chemistry in chronological order, beginning with the father of modern chemistry, Lavoisier. The focus is to understand the logic of the development of modern theory, technique and nomenclature so as to use them more effectively. Chemistry begins before Lavoisier's "Chemical Revolution," with the practice of ancient technology and alchemy, and with discoveries like those of...more
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In 1989, following the year when Dell, Inc. went public, Dell explains how the company had a large problem with inventory management. As a result, the company failed to transition properly in the industry from one technology to the other. However, because of this critical mistake, the company learned how to correctly manage their inventory, and according to Dell, became the best in the world at it. Later on, Dell also notes the company...more
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Professor Sylvia Ceyer discusses hybridization and chemical bonding. Using methyl nitrate as an example, Professor Ceyer describes how to find the lowest energy Lewis structure and explains bond symmetry, hybrid orbitals, and atomic orbitals. Moving onto intramolecular interactions, the discussion breaks down the origin of a bad hair day: hydrogen bonding, water, and keratin.
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Andy Friere, Co-founder and CEO of Axialent, discusses the three things that he believes build culture: 1) Behavior, 2) Symbols and 3) Processes. To elaborate, Friere suggests that behavior--what firms actually do despite what they say they do--defines what individuals in the organization come to believe. Furthermore, the symbols in an organization, primarily how time and money is spent to reward people, also shapes culture. Finally, the...more
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Review. Professor Sylvia Ceyer reviews the main topics covered throughout the second half of the course including kinetics, transition metals, VSEPR theory, acid-base equilibrium, chemical equilibrium, and oxidation/reduction. Professor Ceyer uses the case study of methionine synthase to supplement the discussion.
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Professor Sylvia Ceyer continues her discussion on chemical equilibrium and external effects such as a change in volume, adding inert gas, and a change in temperature. Parameters are set for maximizing the yield of a reaction, and the Principle of Le Chatelier's is returned to. Hemoglobin is used as an example involved in a series of equilibrium reactions in response to oxygen pressure.
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Professor Channing Robertson of the Stanford University Chemical Engineering Department discusses conduction and convection in association with a heat exchanger, as well as the actual design of the heat exchanger.
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The head TA of Introduction to Chemical Engineering (E20) fills in for Professor Channing Robertson and discusses how to construct a pharmacokinetics model using a virtual human "tank" model.
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Dell describes the process of self-disruption at Dell, Inc. He explains how the company examines its internal processes and constantly considers recreating ways to do them better. The company also adopts a mindset of looking at how these processes would be done differently if they were to start from scratch.
