Chemical equilibrium occurs when the rates of the reactions a. increase from reactant to product. b. increase from product to reactant. c. decrease from reactant to product. d. equal out in both directions.

Two liquids are poured into a beaker. after a few seconds, the beaker becomes warm. which of the following best describes this reaction? a. an exothermic reaction b. a decomposition reaction c. an endothermic reaction d. a single-displacement reaction