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

Answered by Laura S. Chemistry tutor

4684 Views

See similar Chemistry IB tutors

Related Chemistry IB answers

All answers ▸

Which are four factors affecting the rate of a chemical reaction and how do these affect the rate constant of the reaction?


What are the optimal conditions for the Haber Process N2(g) + 3H2(g) <--> 2NH3(g)? Use Le Chatelier's principle to derive your answer.


Forgot to put question for the interview


I don't understand how to calculate initial rates of reaction based on experimental data


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo
Cookie Preferences