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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Chemistry: Real vs ideal gas behavior
Ideal gas law assumptions, and when they break down. What happens to pressure and volume at low T and high P. Chemistry Did you know that e…
VideoFree11 minutes
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Organic chemistry: Optical activity calculations
How to calculate specific rotation and % enantiomeric excess Organic chemistry Sal and Jay cover topics covered in college organic chemistr…
VideoFree8 minutes
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Biology: CAM plants
How CAM Plants are able to fix carbon at night so they don't have to keep their stomata open during the day. Biology Life is beautiful! Fro…
VideoFree9 minutes
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Organic chemistry: Alkene nomenclature
Rules for naming alkenes (molecules containing a carbon-carbon double bond). Organic chemistry Sal and Jay cover topics covered in college …
VideoFree8 minutes
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Chemistry: 2015 AP Chemistry free response 6
Melting points of salts, and writing the net ionic equations for a basic salt solution. From 2015 AP Chemistry free response 6. Chemistry D…
VideoFree13 minutes
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Biology: DNA cloning and recombinant DNA
Introduction to DNA cloning Biology Life is beautiful! From atoms to cells, from genes to proteins, from populations to ecosystems, biology…
VideoFree11 minutes
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Organic chemistry: Using a pKa table
How to use a pKa table to determine relative acid strengths Organic chemistry Sal and Jay cover topics covered in college organic chemistry…
VideoFree9 minutes
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Biology: First living things on land clarification
First living things on land clarification (This video copyrighted under Create Commons Attribution and Share-Alike CC-BY-SA license) Biolog…
VideoFree6 minutes
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Biology: Animal development: We're just tubes
Hank discusses the process by which organisms grow and develop, maintaining that, in the end, we're all just tubes. Biology Life is beautif…
VideoFree11 minutes
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Organic chemistry: Triple bonds cause linear configurations
Linear geometry of a triple bond. Organic chemistry Sal and Jay cover topics covered in college organic chemistry course. Basic understandi…
VideoFree1 minute
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Biology: Why biodiversity is distributed unevenly
Factors that influence the global distribution of biodiversity. Video by California Academy of Sciences. Biology Life is beautiful! From at…
VideoFree11 minutes
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Organic chemistry: Cis-trans isomerism
How to assign cis-trans terminology to double bonds. Organic chemistry Sal and Jay cover topics covered in college organic chemistry course…
VideoFree5 minutes
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Organic chemistry: Signal characteristics - intensity
How dipole moment determines the intensity of a signal in an IR spectrum. Organic chemistry Sal and Jay cover topics covered in college org…
VideoFree6 minutes
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Organic chemistry: Pi bonds and sp2 hybridized orbitals
Pi bonds and sp2 Hybridized Orbitals Organic chemistry Sal and Jay cover topics covered in college organic chemistry course. Basic understa…
VideoFree14 minutes
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Chemistry: States of matter
Introduction to the states or phases of matter. Chemistry Did you know that everything is made out of chemicals? Chemistry is the study of …
VideoFree19 minutes