H2O2-O2

The reaction you provided is the decomposition of hydrogen peroxide (H2O2) into water (H2O) and oxygen (O2) gas. This reaction is shown as follows:

2 H2O2 (aq) → 2 H2O (l) + O2 (g)

This reaction is typically catalyzed by the enzyme catalase, which helps in breaking down hydrogen peroxide into water and oxygen.