Is breaking bonds endothermic or exothermic?

A quick way to remember this is BENDO MEX:

Breaking bonds is ENDOthermic = +ve enthalpy change

Making bonds is EXothermic = -ve enthalpy change

LS
Answered by Laura S. Chemistry tutor

5239 Views

See similar Chemistry IB tutors

Related Chemistry IB answers

All answers ▸

How does the pKa level correlate with acid strength?


In order for a chemical reaction to occur the particles must...


Explain in terms of ΔG, why a reaction for which both ΔH and ΔS are positive is sometimes spontaneous and sometimes not.


Describe how σ and π bonds form.


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning