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: Ortho-para directors II
Strong activators. Organic chemistry Sal and Jay cover topics covered in college organic chemistry course. Basic understanding of basic hig…
VideoFree9 minutes
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Organic chemistry: Cahn-Ingold-Prelog system for naming enantiomers
Cahn-Ingold-Prelog System for Naming Enantiomers Organic chemistry Sal and Jay cover topics covered in college organic chemistry course. Ba…
VideoFree11 minutes
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Physics: Thin Film Interference part 2
Let's work out a few details on how thin film interference works Physics Learn about the basic principles that govern the physical world ar…
VideoFree12 minutes
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Class 11 Physics (India) - Hindi: More on Normal force (shoe on wall) (Hindi)
Ram shows how to determine the normal force for a shoe shoved against a wall with a diagonal force. Class 11 Physics (India) - Hindi To hel…
VideoFree8
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Class 11 Physics (India) - Hindi: Force of friction keeping velocity constant (Hindi)
Calculating the coefficient of kinetic friction (correction made in next video). Class 11 Physics (India) - Hindi To help students who pref…
VideoFree9
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Class 11 Physics (India) - Hindi: Projectile on an incline (Hindi)
A challenging problem of a projectile on an inclined plane. Class 11 Physics (India) - Hindi To help students who prefer to learn by watchi…
VideoFree10
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Physics: Tracing a magnetic field
A compass will align with the lines of force around a magnet. How could you do this in 3 dimensions? Physics Learn about the basic principl…
VideoFree
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Class 11 Physics (India) - Hindi: Area expansion coefficient (Hindi)
Commonly on heating things expand and their area changes. Let's find out how to quantify this. Class 11 Physics (India) - Hindi To help stu…
VideoFree9
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Class 11 Physics (India) - Hindi: Thermal energy from friction (Hindi)
In this video Ram shows how to find the energy generated by the force of friction and solves an example conservation of energy problem invo…
VideoFree19
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Chemistry: 2015 AP Chemistry free response 2d and e
Lewis electron-dot diagram and bond angles for ethanol. From 2015 AP Chemistry free response 2d and 2e. Chemistry Did you know that everyth…
VideoFree6 minutes
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Chemistry: Ionic, covalent, and metallic bonds
There are three major types of chemical bonds: ionic, covalent, and metallic. Ionic bonds form due to the transfer of an electron from one …
VideoFree13 minutes
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Class 11 Physics (India) - Hindi: Thermal Expansion in Gas (Hindi)
Gases expand on heating like solids and liquids but there are a few differences. Class 11 Physics (India) - Hindi To help students who pref…
VideoFree10
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Chemistry: Changes in free energy and the reaction quotient
The relationship between Gibbs free energy, standard Gibbs free energy, and the reaction quotient Q. Predicting the direction of the reacti…
VideoFree16 minutes
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Class 11 Physics (India) - Hindi: Bernoulli's example problem 1 (Hindi)
Ram solves an example problem where liquid exits a hole in a container. Class 11 Physics (India) - Hindi To help students who prefer to lea…
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Class 11 Physics (India): Scientific notation examples
Scientific notation is a way of writing very large or very small numbers. A number is written in scientific notation when a number between …
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