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

5783 Views

See similar Chemistry IB tutors

Related Chemistry IB answers

All answers ▸

Draw the full curly mechanism for the reaction between Bromo-Methane and NaOH. What reaction is it?


Forgot to put question for the interview


What is the name of the compound with the formula CH3CH2CH(OH)CH3, and what is the name of its functional group?


How are Van der Waals interactions formed between molecules?


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