Controlling rates

Use slide 48 on F2F course - 

Make links to equilbrium course - use popup to define any words not sure about

This page is about the Haber process from the equilibrium course - may want to copy most of it over and re-use.

https://www.rsc.org/cpd/cms/contentdetails/RES00001828/RES00001835/CMP00006245/FRG00002351/1/1

 
This is new version