Is 86KJ a large activation energy?

An activation energy of 86 kJ/mol can be considered moderate to high, depending on the context of the chemical reaction. For many biological processes and reactions at room temperature, this energy can be relatively significant, potentially requiring catalysts to facilitate the reaction. However, in some high-energy reactions, this value might be viewed as lower. Overall, whether it's considered large or not can vary based on the specific reaction and conditions involved.