Which of the following phase diagrams represents how a catalyst is able to change the rate of a reaction? (2 points) a regular exothermic potential energy diagram is shown, with a dotted line representing how the potential energy diagram changes with the use of a catalyst. the dotted line shows a new potential energy diagram with two potential energy hills, instead of the one hill in the regular potential energy diagram. a regular exothermic potential energy diagram is shown, with a dotted line representing how the potential energy diagram changes with the use of a catalyst. the dotted line shows a new potential energy diagram with a taller activation energy hill than that in the original potential energy diagram. a regular exothermic potential energy diagram is shown, with a dotted line representing how the potential energy diagram changes with the use of a catalyst. the dotted line shows a new potential energy diagram with two activation energy hills, the second taller than the first, instead of the one hill in the regular potential energy diagram. a regular exothermic potential energy diagram is shown, with a dotted line representing how the potential energy diagram changes with the use of a catalyst. the dotted line shows a new potential energy diagram with a shorter activation energy hill than that in the original potential energy diagram.