Which of the following would you expect to happen to a sample of water with the salt potassium iodide (KI) added to it? A. Vapor pressure lowering
B. All of these
C. Freezing point elevation
D. Boiling point depression

Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.