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AP Chemistry
6.7 Bond Enthalpies
6.2 Energy Diagrams
6.1 Endothermic and Exothermic Processes
AdvancedMCQConceptual15.5k
Potential energy of a \(\text{Cl}-\text{Cl}\) system as a function of internuclear distance.
Potential energy of a \(\text{Cl}-\text{Cl}\) system as a function of internuclear distance.
The potential energy of a two-atom system as a function of internuclear distance during the interaction of two chlorine atoms is represented in the graph below.

\[ \text{Cl}_2(g) \rightarrow 2\,\text{Cl}(g) \]

Which of the following best describes the enthalpy change, \(\Delta H^\circ\), for the reaction represented above and provides the correct physical justification?

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