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454 Algebra Training Courses (Page 11)

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Physics: Algebraically manipulating Lorentz transformation

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The forms in which we've introduced the Lorentz transformations are really nice in that they reveal the symmetry of the two axes of spaceti…

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Physics: Loop de loop answer part 1

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Figuring out the minimum speed at the top of the loop de loop to stay on the track Physics Learn about the basic principles that govern the…

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Chemistry: First-order reaction (with calculus)

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Deriving the integrated rate law for first-order reactions using calculus. How you can graph first-order rate data to see a linear relation…

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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: Enthalpy

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Understanding why enthalpy can be viewed as "heat content" in a constant pressure system. Chemistry Did you know that everything is made ou…

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Chemistry: Empirical formula from mass composition

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Calculating the empirical formula from the mass percent composition. Chemistry Did you know that everything is made out of chemicals? Chemi…

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Chemistry: 2015 AP Chemistry free response 6

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Melting points of salts, and writing the net ionic equations for a basic salt solution. From 2015 AP Chemistry free response 6. Chemistry D…

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Physics: Listen to variable resistance

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Here we draw a line on a page and use it as a variable resistor in series with a speaker. What relationship do we hear? Does it sound linea…

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Chemistry: VSEPR for 6 electron clouds

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VSEPR for six electron clouds including examples for octahedral, square pyramidal, and planar molecules. Chemistry Did you know that everyt…

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Chemistry: Small x approximation for small Kc

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When the small x approximation is useful for solving equilibrium problems, and an example using the small x approximation when Kc is small …

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Chemistry: Electrolysis of molten sodium chloride

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Example quantitative electrolysis problem using molten sodium chloride. Chemistry Did you know that everything is made out of chemicals? Ch…

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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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Chemistry: Naming ions and ionic compounds

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Naming cations, anions, and simple ionic compounds such as potassium chloride Chemistry Did you know that everything is made out of chemica…

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Chemistry: Titration curves and acid-base indicators

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Choosing the best indicator for different titrations depending on the pH at the equivalence point. Chemistry Did you know that everything i…

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Chemistry: States of matter

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Introduction to the states or phases of matter. Chemistry Did you know that everything is made out of chemicals? Chemistry is the study of …