Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AX, U.K. Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AX, U.K. ART-AI, Department of Computer ...

To balance an unbalanced equation, you need to add numbers to the left of one or more formulae. Here is one way to work out how to do this for the reaction between nitrogen and hydrogen.