Ammonia (NH3) is widely used as a fertilizer
and in many household cleaners. How much
ammonia is produced when 4.17 mol of hy-
drogen gas react with an excess of nitrogen
gas?
Answer in units of mol.

Which us an example of the practical pursuit of alchemy? a. linking spiritual characteristics with material substances b. forming perfect substances c. developing metalworking technique d. transforming base metals