Khan Academy: 2757 products
Khan Academy is an organization on a mission. We're a not-for-profit with the goal of changing education for the better by providing a free world-class education for anyone anywhere.
All of the site's resources are available to anyone. It doesn't matter if you are a student, teacher, home-schooler, principal, adult returning to the classroom after 20 years, or a friendly alien just trying to get …
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Health and medicine: The ischemic cascade in stroke
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree7 minutes
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Organic chemistry: Introduction to proton NMR
The basic physical principles underlying proton NMR spectroscopy. Organic chemistry Sal and Jay cover topics covered in college organic che…
VideoFree10 minutes
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Health and medicine: Transmission of HIV
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree11 minutes
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Biology: Taxonomy: Life's filing system
Hank tells us the background story and explains the importance of the science of classifying living things, also known as taxonomy. Biology…
VideoFree12 minutes
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Chemistry: Standard change in free energy and the equilibrium constant
The relationship between standard Gibbs free energy change and the equilibrium constant K. Calculating K when you know the standard free en…
VideoFree11 minutes
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Health and medicine: Esophagus
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree6 minutes
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Organic chemistry: Resonance structures and hybridization
Resonance structures, hybridization of orbitals, and localized and delocalized electron density. Organic chemistry Sal and Jay cover topics…
VideoFree12 minutes
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Health and medicine: Psychoactive drugs: Depressants and opiates
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree4 minutes
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Organic chemistry: Diels-Alder: endo rule
How to draw the endo product for a Diels-Alder reaction Organic chemistry Sal and Jay cover topics covered in college organic chemistry cou…
VideoFree10 minutes
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Chemistry: Calculating the equilibrium constant from the standard cell potential
Example problem for calculating the equilibrium constant K using the standard cell potential. Chemistry Did you know that everything is mad…
VideoFree10 minutes
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Biology: Cellular respiration introduction
Introduction to cellular respiration, including glycolysis, the Krebs Cycle, and the electron transport chain. Biology Life is beautiful! F…
VideoFree14 minutes
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Chemistry: Electron configurations for the second period
Writes out quantum numbers for all elements of the second period. Introduces Hund's rule, and connects blocks in periodic table with electr…
VideoFree12 minutes
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Health and medicine: What is trichomoniasis?
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree8 minutes
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Health and medicine: Schizoaffective disorder
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree7 minutes
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Organic chemistry: Diamagnetic anisotropy
Explanation of diamagnetic anisotropy. How it affects chemical shift in proton NMR. Organic chemistry Sal and Jay cover topics covered in c…
VideoFree9 minutes