phase diagrams
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Professor Sylvia Ceyer explains the steps required to create a Lewis structure, using the cyanide ion and thionyl chloride as examples. She discusses formal charge within a molecule, skeletal structure of chain molecules, and resonance structures using the nitrate ion as an example.
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Today's lecture concludes Professor Freeman's discussion of the four phases of the Revolutionary War. America's victory at the Battle of Saratoga in 1777 marked the end of the third phase of the war, and led to a turning point in the conflict: France's decision to recognize American independence and enter into an alliance with the fledging nation. Although the British made one final attempt at reconciliation in 1778 with the Conciliatory P...more
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Why work from expansion is the area under the curve of a PV-diagram.
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In this lecture, Professor Freeman explains the logic behind American and British military strategy during the early phases of the Revolution. First, she discusses the logistic disadvantages of the British during the war: the difficulties shipping men and supplies from more than three thousand miles away; the vast expanse of countryside with no one central target to attack; difficulties in recruiting British soldiers to fight in America; a...more
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It is important that chemists agree on notation and nomenclature in order to communicate molecular constitution and configuration. It is best when a diagram is as faithful as possible to the 3-dimensional shape of a molecule, but the conventional Fischer projection, which has been indispensable in understanding sugar configurations for over a century, involves highly distorted bonds. Ambiguity in diagrams or words has led to multibillion-d...more
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Jung talks about the dark phase in a startup where entrepreneurs begin to question everything, including themselves. This is an important phase as it tests you, your own sense of perseverance and loyalty to yourself, he says. An entrepreneur has to be prepared for this phase as every company will eventually experience it, he cautions.
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Jung talks about the five different phases that a start-up will entail in its journey from inception to transition. Phase one is the start-up and the inception. Phase two is a period of growth. Phase three is the unfortunate setback that every venture will invariably face. Phase four is a stage for rejuvenation. The fifth and final phase is a transition for either you as an entrepreneur or the company overall, he says.
