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level: Energy Changes

Questions and Answers List

level questions: Energy Changes

QuestionAnswer
What are bond energies?The amount of energy needed to break a bond. Its in kJ/mol.
What is an exothermic reaction?A reaction where energy has been lost to the surroundings. More energy has been taken in during bond making than in bond breakking.
What is an endothermic reaction?A reaction where energy has been gained. More energy has been taken in during bond breaking than in bond making.