Casimir Pulaski was a talented military leader and brilliant battlefield tactician who, in the 1770s, had to leave his native Poland after participating in the unsuccessful wars to oust StanisÅaw II, a king put in place to rule at the behest of the Russians.
What is ammonia? Ammonia, also known as azane, is a chemical compound made of molecules which each contain one atom of nitrogen and three atoms of hydrogen. The molecular structure of ammonia is NH3. At ordinary room temperature and pressure, ammonia is a colourless gas which is lighter than air.
ammonia. a colorless alkaline gas, NH 3, with a pungent odor and acrid taste, and soluble in water. ammonia N 13 ammonia in which a portion of the molecules are labeled with 13 N; used in positron emission tomography of the cardiovascular system, brain, and liver. colorless alkaline gas, NH 3, with a pungent odor and acrid taste, and highly soluble in water. See also ammonium. blood ammonia. ammonia is a cerebrointoxicant and a high blood level causes a degenerative brain lesion.