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  1. Arrhenius acids and bases (article) | Khan Academy

    The Arrhenius theory of acids and bases was originally proposed by the Swedish chemist Svante Arrhenius in 1884. He suggested classifying certain compounds as acids or bases based on …

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  3. Acid-base definitions (video) | Khan Academy

    When you talk about the acid-base equilibrium lying mostly to the right of the equation (favors the products) what does that mean exactly? And what is the difference from it favoring the …

  4. Arrhenius acids and bases (video) | Khan Academy

    Now, and I encourage you to look at that relative to the other definitions, the Bronsted-Lowry definition of acids and bases and the Lewis definition of acids and bases, and see how you …

  5. Acid-base definitions (video) | Khan Academy

    This video breaks down the definitions of acids and bases according to Bronsted-Lowry and Lewis. It explains how a Bronsted-Lowry acid is a proton donor and a base is a proton …

  6. The pH scale (video) | Acids and bases | Khan Academy

    The pH would be equal to three. And if the concentration of hydronium ions is one times 10 to the negative fourth, this is a log base 10 system, so the negative log of one times 10 to the …

  7. Water, acids, and bases | Biology archive - Khan Academy

    Unit 2: Water, acids, and bases About this unit This unit is part of the Biology archive. Browse videos and articles by topic. For our most up-to-date, mastery-enabled courses, check out …

  8. Brønsted–Lowry acids and bases (video) | Khan Academy

    In the Brønsted–Lowry definition of acids and bases, an acid is a proton (H⁺) donor, and a base is a proton acceptor. When a Brønsted–Lowry acid loses a proton, a conjugate base is formed.

  9. Introduction to nucleic acids and nucleotides (video) | Khan …

    These polymers have a backbone of alternating ribose and phosphate groups, with nitrogenous bases forming ladder rungs. The sequence of nucleotides encodes genetic information, …

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