Redaktion Chemie:
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Video (183 Stunden)
Today's Crash Course Chemistry takes a historical perspective on the creation of the science, which didn't really exist until a super-smart, super-wealthy Frenchman put the puzzle pieces together - Hank tells the story of how we went from alchemists to chemists, who understood the law of conservation of mass as proposed by a decapitated aristocrat, and explains how we came to have a greater understanding of how chemical compounds work and eventually a complete understanding of what atoms and molecules are. Watch this video in Spanish on our Crash Course en Español channel here: https://youtu.be/HxDjcseTj6s Pssst... we made flashcards to help you review the content in this episode! Find them on the free Crash Course App! Download it here for Apple Devices: https://apple.co/3d4eyZo Download it here for Android Devices: https://bit.ly/2SrDulJ Table of Contents Alchemists to Chemists 01:07 Law of Conservation of Mass 03:25 Decapitated Aristocrat 04:11 Chemical Compounds 05:44 Atoms and Molecules 06:07:1 Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Instagram - https://www.instagram.com/thecrashcourse/ CC Kids: http://www.youtube.com/crashcoursekids
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Video (213 Stunden)
Hank brings us the story of the electron and describes how reality is a kind of music, discussing electron shells and orbitals, electron configurations, ionization and electron affinities, and how all these things can be understood via the periodic table. Watch this video in Spanish on our Crash Course en Español channel! https://youtu.be/N5apS0tE67c Pssst... we made flashcards to help you review the content in this episode! Find them on the free Crash Course App! Download it here for Apple Devices: https://apple.co/3d4eyZo Download it here for Android Devices: https://bit.ly/2SrDulJ Table of Contents Snobby Scientists 00:43 Great Dane/Bohr Model 01:57 Electrons as Music 04:13 Electron Shells and Orbitals 04:44 Electron Configurations 05:54 Ionization and Electron Affinities 08:17 Periodic Table 10:18 Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Instagram - https://www.instagram.com/thecrashcourse/ CC Kids: http://www.youtube.com/crashcoursekids
Youtube
Video (181 Stunden)
In this episode of Crash Course Chemistry, Hank discusses what molecules actually look like and why, some quantum-mechanical three-dimensional wave functions are explored, he touches on hybridization, and delves into sigma and pi bonds. Pssst... we made flashcards to help you review the content in this episode! Find them on the free Crash Course App! Download it here for Apple Devices: https://apple.co/3d4eyZo Download it here for Android Devices: https://bit.ly/2SrDulJ -- Table of Contents Molecules: Clumpy Globs... 0:18 Quantum-Mechanical Three-Dimensional Wave Functions 3:06 S & P Orbital Hybridization 5:27 Sigma & Pi Bonds 7:32 Hybridized Orbitals 5:52 Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Instagram - https://www.instagram.com/thecrashcourse/ CC Kids: http://www.youtube.com/crashcoursekids
Youtube
Video (161 Stunden)
How did we get here? Well, in terms of Atomic Chemistry, Hank takes us on a tour of the folks that were part of the long chain of other folks who helped us get to these deeper understandings of the world. From Leucippus to Heisenberg to you - yes, YOU - the story of Atomic Chemistry is all wibbly-wobbly... and amazing. Pssst... we made flashcards to help you review the content in this episode! Find them on the free Crash Course App! Download it here for Apple Devices: https://apple.co/3d4eyZo Download it here for Android Devices: https://bit.ly/2SrDulJ -- Table of Contents Leucippus, Democritus & Atomic Theory 0:09 Discharge Tubes 1:52 Ernest Rutherford & The Nucleus 4:22 Chemistry = Math 7:22 Niels Bohr Model 5:32 Heisenburg & Quantum Theory 6:35 -- Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Instagram - https://www.instagram.com/thecrashcourse/ CC Kids: http://www.youtube.com/crashcoursekids
Youtube
Diese Webseite bietet eine umfassende Beschreibung der Erde, ihrer Form, ihrer Rotation, ihres Umfangs und ihrer Entfernung von der Sonne. Sie enthält auch Informationen über den Erdkern, den Erdmantel und das Magnetfeld der Erde.
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