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Energetics key terms
Study Energetics with curriculum-aligned Key Terms resources, practice links, and exam-focused support.
At a glance
key terms
Resource type
Topic
Energetics
Key terms
Bond Enthalpy
The energy required to break one mole of a specific type of bond in a gaseous molecule.
Mean Bond Enthalpy
The average energy required to break a bond of a particular type across different molecules.
Bond Dissociation Energy
The energy required to break a specific bond in a molecule, measured in kJ/mol.
Enthalpy Change (ΔH)
The heat content change of a system at constant pressure, expressed in kJ.
Enthalpy change
The heat content change of a system at constant pressure, often measured in kJ/mol.
Bond enthalpy
The energy required to break one mole of a specific type of bond in a gaseous substance.