Which statement is always true about a reversible chemical reaction? A. The concentration of reactants is higher than that of the products.
B. The products can form reactants, and the reactants can form products. C. The concentrations of reactants and products are not constant.
D. The concentration of the products is higher than that of the reactants.

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.