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.

BATON ROUGE, La. — A federal judge has halted Louisiana's first death row execution using nitrogen gas, which was scheduled to take place next week. U.S. District Court Judge Shelly Dick issued ...

A federal judge has halted Louisiana’s first death row execution using nitrogen gas, which was scheduled to take place next week. US District Court Judge Shelly Dick issued a preliminary ...