AP®︎ Chemistry: Topic 6.7 Flashcards

Master key terms and definitions for Topic 6.7 of AP Chemistry – Bond Enthalpies to help you prep for quizzes and the AP exam.

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Term

Bond Order and Bond Strength

Definition

Triple bonds are strongest, double bonds intermediate, and single bonds weakest, with increasing bond enthalpy.

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Bond Order and Bond Strength
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Triple bonds are strongest, double bonds intermediate, and single bonds weakest, with increasing bond enthalpy.

6.7.A
Bond Length and Bond Strength
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Shorter bonds are generally stronger and have higher bond enthalpies than longer, weaker bonds.

6.7.A
Counting Bonds in a Reaction
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Draw reactant and product structures, count each bond type, then apply the bond enthalpy equation.

6.7.A6.7.A.2
Average Bond Enthalpy
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The average energy needed to break one mole of a specific gas-phase bond.

6.7.A6.7.A.2
Bond Energy and Potential Energy
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Breaking bonds absorbs energy, while forming bonds releases energy as potential energy decreases.

6.7.A6.7.A.1
Reaction Enthalpy from Bond Energies
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Subtract bond energies of bonds formed from bonds broken to estimate reaction enthalpy.

6.7.A6.7.A.2