13 and 14 thank you

12. How does a catalyst increase the rate of a chemical reaction? 14. Examine the particle diagrams for water at different temperatures shown below: 3 A. It shifts the equilibrium. . It increases the activation energy. C. It decreases the reaction enthalpy. 0C 23c 100C D. It provides an alternate reaction pathway. Which diagram has the most kinetic energy? A. 1 B. 2 C. 3 D. Answer cannot be determined from information given 13. A catalyst is introduced to a certain reaction. Which of the following statements is correct? A The catalyst increases the equilibrium constant for the reaction. 15. Specific Heat, J/g C B. The catalyst provides a reaction pathway with a lower activation energy. Al 0.900 Au 0.129 0.385 Cu C. The catalyst provides a reaction pathway with a higher activation energy, D. The catalyst increases the average kinetic energy of the reactant molecules, Hg 0.139 The above table contains the specific heats of several metals. If an equal number of Joules were applied to equal masses of each of the metals, which metal would exhibit the greatest AT? . B. Au C. Cu D. Hg