0 votes 0 votes Which of the following can change if only the catalyst is changed for a reaction system? Enthalpy of reaction Activation energy Free energy of the reaction Equilibrium constant. Others gate2015 + – Milicevic3306 asked Mar 26, 2018 • edited Oct 19, 2020 by soujanyareddy13 Milicevic3306 7.9k points answer See all 0 reply