The decomposition of hydrogen peroxide is catalyzed by iodide ion. The catalyzed reaction is thought to proceed by a two-step mechanism:
H2O2(aq)+I−(aq)⟶H2O(l)+IO−(aq) (slow)
IO−(aq)+H2O2(aq)⟶H2O(l)+O2(g)+l−(aq) (fast)
Write the chemical equation for the overall process.