World of Chemistry (Zumdahl) Chapter 16
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| Conjugate Acid | the substance formed when a proton is added to a base
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| Conjugate Base | the remaining substance when a proton is lost from an acid
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| Conjugate acid-base pair | two substances related to each other by the donating and accepting of a single proton
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| Hydronium Ion | H3O+
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| Strong Acid | an acid that completely dissociates to produce H+ ions in a solution
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| Weak Acid | an acid that dissociates to a slight extent in aqueous solution
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| Diproctic Acid | an acid that can furnish two protons
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| Oxyacid | an acid in which the acidic proton is attached to an oxygen atom
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| Organic Acid | an acid with a carbon atom backbone and a carboxyl group
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| Amphoteric Substance | a substance that can behave either as an acid or as a base
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| pH scale | a convenient way to represent solution acidity
Input in calculator: pH = -log [H+]
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| Indicators (acid-base) | a chemical that changes color depending on the pH of a solution
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| Indicator Paper | a strip of paper coated with a combination of acid-base indicators
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| pH meter | a device used to measure the pH of a solution
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| Neutralization Reaction | an acid-base reaction
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| Titration | a technique in which a solution of a known concentration is used to determine the concentration of another solution
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| Standard Solution | a solution in which the concentration is accurately known
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| Buret | a device used for the accurate measurement of the delivery of a given volume of a liquid or solution
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| Stoichiometric Point (equivalence point) | the point in a titration when enough titrant has been added to react exactly with the substance in a solution that is being titrated
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| Acids | a substance that produces hydrogen ions (H+) in an aqueous solution; a proton donor
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| Bases | a substance that produces hydroxide atoms (OH-) in solution; a substance that accepts a proton
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| Arrhenius concept of acids and bases | acids produce hydrogen ions (H+) in solution; bases produce hydroxide ions (OH-) in solution
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| Brønsted-Lowry Model | an acid is a proton (H+) donor and a base is a proton acceptor
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| Titration Curve (pH curve) | a plot of pH of solution versus volume of titrant added to a given solution
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| Buffered Solution | a solution that resists a change in pH when either an acid or a base are added
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