Definition: The term "pyroacid" is used in chemistry to refer to a type of organic acid that can be formed by the reaction between hydrogen and oxygen. Pyroacids are highly reactive and have high activation energies, which means that they can react with other substances very quickly. This rapid reaction allows pyroacids to play important roles in various chemical reactions. Pyroacids include several types, such as pyrophiles (reacting strongly with hydroxyl groups of alkenes