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Chemistry Vocab

Chapter 16

TermDefinition
Arrhenius Model Acids produce hydrogen ions (H+) in solution Bases produce hydroxide ions (OH-) in solution
Bronsted-Lowry Model An acid is a proton (H+) donor A base is a proton acceptor
Conjugate Acid Substance that's formed when a proton is added to a base *has extra proton (H+) that it can donate*
Conjugate Base Remaining substance when a proton is left from an acid *could steal another proton (H+)
Conjugate acid-base pair Two substances related to each other by the donating and accepting of a single proton
Strong Acid *A reaction is not reversable *Completely dissociates *Weak conjugate base
Weak Acid *Only partially dissociates *Strong conjugate base
Oxyacids Acidic Hydrogen is attached to an oxygen atom
Organic Acid Carbon backbone (usually weak)
pH Measure of the acidity of a solution *pH=-log[H+]
pOH *pOH=-log[OH-]
Indicators Chemicals that change colors in certain pH ranges
Titration A technique used to determine the concentration of an acid or a base using a known concentration
Standard Solution One in which the concentration is known precisely
Buret Device used for the precise and accurate measurement of a given solution
Equivalence Point Point in a titration when enough titrant has been added to exactly neutralize the other
Buffered Solution Resists the change in pH when an acid/base is added *made by adding a weak acid and it's conjugate base*
Created by: Rmcguire14
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