AP®︎ Chemistry: Topic 7.8 Flashcards

Master key terms and definitions for Topic 7.8 of AP Chemistry – Representations of Equilibrium to help you prep for quizzes and the AP exam.

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Term

Particulate Model

Definition

A diagram that represents matter as discrete atoms, ions, or molecules.

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Particulate Model
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A diagram that represents matter as discrete atoms, ions, or molecules.

7.8.A
Equilibrium in a Particulate Diagram
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Reactant and product particles remain present in constant relative amounts with no net change.

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Shift Right vs. Shift Left in Particulate Diagrams
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Right shift increases product particles; left shift increases reactant particles between two representations.

7.8.A7.8.A.1
Using Stoichiometry in Particulate Changes
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Particle numbers change according to reaction coefficients when reactants convert to products or reverse.

7.8.A
Law of Conservation of Mass in Particulate Models
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The total number of each type of atom stays constant as particles rearrange.

7.8.A
Equilibrium Constant in Particulate Representations
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Larger product-to-reactant particle ratios indicate larger K values at the same temperature.

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