Students perform a reaction specified in the directions. A precipitate forms. Predict (indicate) the precipitate in each of the following cases: a) AgNO 3 (aq) + NaCl(aq) → AgCl + NaNO3

b) HgNO3 (aq) + Na2S(aq)→ HgS + NaNO3

c) Ba(CH3COO)2 (aq) + NaOH(aq) → Ba(OH)2 + 2 NaCH3COO

Which of the following warnings would an agricultural chemist tell a farmer who wants to recycle his or her own ammonia? recycling ammonia is a difficult process that sometimes takes weeks. recycling ammonia requires a degree in biochemistry or a related field. recycling ammonia can be harmful because it is highly flammable and toxic. recycling ammonia costs too much money considering the price of the necessary chemicals.