Plzz me asap is it possible for a reaction to be exothermic but not spontaneous? yes, the reaction may require an activation energy. no, all spontaneous reactions are exothermic. y es, all spontaneous reactions are endothermic. no, exothermic reactions never use activation energy.

Which of the following compounds would be expected to have the strongest ionic bonds? a)the compound that has b)the largest ions with the greatest charge c)the compound that has d)the largest ions with the least charge the compound that has the smallest ions with the greatest charge the compound that has the smallest ions with the least charge