A New Road, Not a Bigger Push

A bottle of hydrogen peroxide sits on a shelf for a year and does nothing. Drop in a speck of iodide and it foams over in seconds. Nothing about the products changed, nothing about the energy released changed — only the road between them. This is the last stop in Unit 5, and it is the barrier picture from 5.6 one final time.

8 STEPS · 6 QUICK CHECKS · 2 H₂O₂ → 2 H₂O + O₂ · E_a 75 → 56 kJ/mol · v1