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: Gout and pseudogout
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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Chemistry: Atomic radius trends on periodic table
How atomic radius is defined, and trends across a period and down a group. Chemistry Did you know that everything is made out of chemicals?…
VideoFree10 minutes
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Chemistry: Common ion effect and buffers
The common ion effect describes the effect on equilibrium that occurs when a common ion (an ion that is already contained in the solution)…
VideoFree13 minutes
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High school biology: Biogeography: Where life lives
As our planet has coughed up new oceanic islands and ripped its land masses apart, organisms have found themselves stranded in new environm…
VideoFree2
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Health and medicine: Inflammatory bowel disease: Treatment
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree12 minutes
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Health and medicine: Visual cues
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree8 minutes
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Chemistry: Buffer solution pH calculations
Example of calculating the pH of a buffer solution using the Henderson-Hasselbalch equation, including the pH of the buffer solution after …
VideoFree12 minutes
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Organic chemistry: Organic chemistry naming examples 3
Organic chemistry naming examples 3, containing branching and cycles. Organic chemistry Sal and Jay cover topics covered in college organic…
VideoFree8 minutes
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Organic chemistry: Preparation of acid anhydrides
How to prepare acid anhydrides from carboxylic acids. Organic chemistry Sal and Jay cover topics covered in college organic chemistry cours…
VideoFree7 minutes
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Health and medicine: What is hypertension
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree5 minutes
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Organic chemistry: Common and systematic naming: iso-, sec-, and tert- prefixes
Common and systematic naming - Iso, Sec and Tert prefixes Organic chemistry Sal and Jay cover topics covered in college organic chemistry c…
VideoFree14 minutes
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Health and medicine: Defining AIDS and AIDS defining illnesses
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: What is pulmonary hypertension?
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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Health and medicine: What is HIV and AIDS?
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree12 minutes
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Organic chemistry: Polymerization of alkenes with acid
Polymerization of Alkenes with Acid Organic chemistry Sal and Jay cover topics covered in college organic chemistry course. Basic understan…
VideoFree12 minutes