AP®︎ Chemistry: Topic 4.8 Flashcards

Master key terms and definitions for Topic 4.8 of AP Chemistry – Introduction to Acid-Base Reactions to help you prep for quizzes and the AP exam.

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Term

Brønsted-Lowry Acid and Base

Definition

An acid donates H+; a base accepts H+ in a proton-transfer reaction.

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Brønsted-Lowry Acid and Base
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An acid donates H+; a base accepts H+ in a proton-transfer reaction.

4.8.A4.8.A.1
Relative Strengths of Conjugate Pairs
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Strong acids have weak conjugate bases, and strong bases have weak conjugate acids.

4.8.A4.8.A.3
Reaction Direction in Acid-Base Equilibria
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Proton transfer favors formation of the weaker acid and weaker base.

4.8.A4.8.A.3
Amphiprotic Substance
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A species that can either donate a proton or accept a proton.

4.8.A4.8.A.2
Water's Role in Acid-Base Reactions
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In aqueous solution, H2O can accept H+ to form H3O+ or donate H+ to form OH-.

4.8.A4.8.A.2
Conjugate Acid-Base Pair
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Two species that differ by one proton; the acid has one more H+.

4.8.A4.8.A.3
Acids and Bases in Water
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In water, acids donate H+ to H2O and bases accept H+ from H2O.

4.8.A4.8.A.2