What is a catalyst?

A catalyst lowers the activation energy of a reaction and therefore increases the rate of reaction. The catalysts reacts with the reactants but is regenerated again in the reaction so it is not used up.

HG
Answered by Hannah G. Chemistry tutor

5043 Views

See similar Chemistry GCSE tutors

Related Chemistry GCSE answers

All answers ▸

In the Haber process, the best yield of ammonia is produced at a low temperature. Explain why


Which has a lower boiling point chlorine or bromine, and why?


Why is Lithium a +1 ion and Chlorine a -1 ion?


What is the mass (g) of 0.25mols of NaCl?


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