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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Class 11 Physics (India): Indefinite integrals of sin(x), cos(x), and eˣ
∫sin(x)dx=-cos(x)+C, ∫cos(x)dx=sin(x)+C, and ∫eˣdx=eˣ+C. Learn why this is so and see worked examples. Class 11 Physics (India) Let's learn…
VideoFree4
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Class 11 Physics (India): Rules of significant figures
Learn the "rules of thumb" for significant figures. Class 11 Physics (India) Let's learn, practice, and master topics of class 11 physics (…
VideoFree6
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Organic chemistry: Introduction to reaction mechanisms
Introduction to Reaction Mechanisms . Addition reaction to an alkene Organic chemistry Sal and Jay cover topics covered in college organic …
VideoFree11 minutes
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Organic chemistry: Acidic cleavage of ethers
Reaction of ethers with strong acids to form an alcohol and an alkyl halide. Organic chemistry Sal and Jay cover topics covered in college …
VideoFree12 minutes
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Chemistry: Solubility from the solubility product constant
Calculating the solubility of copper(II) hydroxide from Ksp using an ICE table. Chemistry Did you know that everything is made out of chemi…
VideoFree9 minutes
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Organic chemistry: Aromatic stability V
Aromaticity of polycyclic compounds, such as naphthalene. Organic chemistry Sal and Jay cover topics covered in college organic chemistry c…
VideoFree9 minutes
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Organic chemistry: Reactivity of aldehydes and ketones
Electron distribution in aldehydes and ketones and how it influences reactivity. Organic chemistry Sal and Jay cover topics covered in coll…
VideoFree10 minutes
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Chemistry: Solubility and complex ion formation
Calculating the solubility of silver chloride in pure water and 3.0 M ammonia. Calculating new equilibrium constant to account for formatio…
VideoFree15 minutes
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Chemistry: Practice determining oxidation states
Determining oxidation numbers in magnesium oxide and magnesium hydroxide. Chemistry Did you know that everything is made out of chemicals? …
VideoFree4 minutes
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Organic chemistry: Stabilization of a conjugate base: solvation
How the solvent affects the stability of a conjugate base Organic chemistry Sal and Jay cover topics covered in college organic chemistry c…
VideoFree4 minutes
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Chemistry: Heat of formation
Standard heat of formation or standard enthalpy change of formation. How heats of formation are calculated. Chemistry Did you know that eve…
VideoFree13 minutes
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Organic chemistry: Oxidation of aldehydes using Tollens' reagent
Oxidation of aldehydes to carboxylic acids using Tollens' reagent. Organic chemistry Sal and Jay cover topics covered in college organic ch…
VideoFree9 minutes
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Physics: AP Physics 1 review of 2D motion and vectors
In this video David quickly explains each 2D motion concept and does a quick example problem for each concept. Keep an eye on the scroll to…
VideoFree13 minutes
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Class 11 Physics (India): Pressure and Pascal's principle (part 2)
Sal finishes the calculation of work to determine the mechanical advantage in a U-shaped tube. He also explains pressure and Pascal's Princ…
VideoFree10 minutes
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Physics: Reverse electrodes (polarity)
What happens to the deflection when we attach the penny and zinc in the opposite direction? Physics Learn about the basic principles that g…
VideoFree1 minute