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

5791 Views

See similar Chemistry IB tutors

Related Chemistry IB answers

All answers ▸

how can you identify a chiral carbon in a molecule?


Using the VSEPR theory, predict the shape of CCl4 and its approximate bond angles.


How does temperature affect the rate of reaction?


Why is the boiling point of PH3 lower than that of NH3?


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:

© 2026 by IXL Learning