# Is the protonolysis reaction of sulfuric acid in aqueous solution an example of chemical change?

$2 {H}_{2} S {O}_{4} + 3 {H}_{2} O \rightarrow$ $3 {H}_{3} {O}^{+}$ + $H S {O}_{4}^{-}$ $+$ $S {O}_{4}^{2 -}$.