A 352 mL sample of chlorine gas under a pressure of 680. mm Hg is placed in a container under a pressure of 1210 mm Hg. The temperature remains constant at 296 K. What is the volume of the container in milliliters

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.