Substance A reacts spontaneously with substance B at room temperature. Substance A reacts with substance C at room temperature only in the presence of a catalyst. Which statement best explains this difference?
Responses-
a- The reaction between substances A and B has a lower activation energy than the reaction between substances B and C.
b- The reaction between substances A and B is exothermic.
c- The reaction between substances A and B has a lower relative potential energy than the reaction between substances B and C.
d- The reaction between substances A and B is endothermic.