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454 Algebra Training Courses (Page 10)

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Chemistry: Shorthand notation for galvanic/voltaic cells

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How to describe cell using shorthand notation. Chemistry Did you know that everything is made out of chemicals? Chemistry is the study of m…

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Chemistry: Second Law of Thermodynamics

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The Second Law of Thermodynamics: there can be no spontaneous transfer of heat from cold to hot. Chemistry Did you know that everything is …

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Physics: Zinc copper cell (reduction-oxidation)

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Zinc Copper cell - example of reduction-oxidation reaction Physics Learn about the basic principles that govern the physical world around u…

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Chemistry: Buffers, the acid rain slayer

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In this episode, Hank talks about how nutty our world is via Buffers! He defines buffers and their compositions, talks about carbonate buff…

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Physics: Build a ping pong ball launcher

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This project shows you how to build a ping pong and test an adjustable ping pong ball launcher. Physics Learn about the basic principles th…

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Chemistry: Balancing redox reactions in acid

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How to balance a redox reaction in acid. Chemistry Did you know that everything is made out of chemicals? Chemistry is the study of matter:…

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AP®︎ Physics 1: Meet Sean, a creator of AP Physics on Khan Academy

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A physics teacher for seven years, Sean has taught AP Physics 1, AP Physics C, and Conceptual Physics. He’s also a former mechanical engineer. Sean is based in Boise, Idaho, and is Khan Academy’s physics fellow, creating awesome n…

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Chemistry: Hess's law and reaction enthalpy change

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Using Hess's Law and standard heats of formation to determine the enthalpy change for reactions Chemistry Did you know that everything is m…

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Chemistry: Oxidation and reduction

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Introducing oxidation states, oxidation, and reduction. Some tips for remembering oxidation and reduction. Chemistry Did you know that ever…

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Chemistry: Electron configuration for d block element

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Goes through example of Fe, and discusses relative reactivity and energy of 4s and 3d electrons. Chemistry Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and r…

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Chemistry: First and second ionization energy

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Comparing first and second ionization energy of Li using nuclear charge, shielding, and distance of electrons from nucleus Chemistry Did yo…

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Chemistry: Using the Arrhenius equation

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How to use the Arrhenius equation to calculate the activation energy. Chemistry Did you know that everything is made out of chemicals? Chem…

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Chemistry: Atomic radius trends on periodic table

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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?…

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Physics: Compass build (stroke direction)

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Does the direction which we stroke the needle determine the final orientation? Physics Learn about the basic principles that govern the phy…

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Mathematics As Level Course

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The Pure Mathematics AS Level Course is designed to help a students understanding of mathematics and mathematical processes in a way that p…