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Chapter 6

Organic Chemistry- Exam 2- Fall 2026

QuestionAnswer
What is enthalpy (∆H)? Heat energy exchanged between a reaction and its surroundings.
What happens energetically when a bond breaks? The system absorbs energy.
What happens energetically when a bond forms? Energy is emitted.
What is an exothermic reaction? Bond formation releases more energy than bond breaking requires
What is true of products in an exothermic reaction? They are more stable and lower in heat energy than reactants.
What is true of ∆H for an exothermic reaction? ∆H is negative.
What is an endothermic reaction? Bond breaking requires more energy than bond formation releases.
What is true of ∆H for an endothermic reaction? ∆H is positive.
Created by: KristenR2025
 

 



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