G a catalyst is added to a system at equilibrium. which statement is true? e9’1j c,o(\c;

g a catalyst is added to a system at equilibrium. which statement is true? e9’1j c,o(\c; (a) the temperature will decrease. (b) the equilibrium constant will increase. (c) the concentration of products will decrease. (d) if the system is disturbed, it will return to equilibrium faster.