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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Organic chemistry: E2 reactions
E2 Elimination Reactions Organic chemistry Sal and Jay cover topics covered in college organic chemistry course. Basic understanding of bas…
VideoFree9 minutes
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Biology: Liquid water denser than solid water (ice)
Water less dense as ice. Why lakes don't freeze solid. Biology Life is beautiful! From atoms to cells, from genes to proteins, from populat…
VideoFree6 minutes
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Biology: Endomembrane system
An overview of the membrane-bound structures that form the endomembrane system in eukaryotic cells. Biology Life is beautiful! From atoms t…
VideoFree6 minutes
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Chemistry: Introduction to light
Light and the electromagnetic radiation spectrum. Wave and particle-like behavior, and how to calculate the wavelength or frequency of a li…
VideoFree10 minutes
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Organic chemistry: Synthesis of alcohols using Grignard reagents II
Working backwards from a particular alcohol and determining what Grignard reagent you would need to synthesize it. Organic chemistry Sal an…
VideoFree12 minutes
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Organic chemistry: Meta directors II
Inductive and resonance effects. Organic chemistry Sal and Jay cover topics covered in college organic chemistry course. Basic understandin…
VideoFree8 minutes
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Health and medicine: Low salt diet
Figure out the difference between "salt" and "sodium" and how much salt is recommended on a low sodium diet. Rishi is a pediatric infectiou…
VideoFree7 minutes
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Health and medicine: Wegener’s granulomatosis and microscopic polyangiitis
Wegener’s granulomatosis (also known as granulomatosis with polyangiitis) is a type of vasculitis that affects small and medium blood vesse…
VideoFree9 minutes
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Health and medicine: Anaphylactic shock
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree9 minutes
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Organic chemistry: Alkyne acidity and alkylation
How terminal alkynes can act as weak acids and react with alkyl halides, leading to their alkylation. Organic chemistry Sal and Jay cover t…
VideoFree8 minutes
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Health and medicine: Drug-resistant TB
Learn the different types of drug-resistant TB These videos do not provide medical advice and are for informational purposes only. The vide…
VideoFree9 minutes
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Organic chemistry: Stereoisomers, enantiomers, diastereomers, constitutional isomers and meso compounds
Stereoisomers, Enantiomers, Diastereomers, Constitutional Isomers and Meso Compounds Organic chemistry Sal and Jay cover topics covered in …
VideoFree14 minutes
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Health and medicine: Causes of myocarditis
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree9 minutes
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Health and medicine: Hypoxic pulmonary vasoconstriction
Watch how blood gets diverted away from alveoli with low oxygen levels. Rishi is a pediatric infectious disease physician and works at Khan…
VideoFree9 minutes
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Health and medicine: Primary hypertension
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree6 minutes