What type of reaction is represented by the chemical equation 2 PbO2 2 PbO O2?

What kind of damage occurs after a hurricane? Can a small change in one sphere or cycle can effect the rest? Where are all the major refugee camps located around the world? How long does the greenhouse effect process take? About how many earth sized spheres could fit into a sun sized sphere? What is the least reliable property to use to identify a mineral? What is the difference of kuiper belt and oort coud? What are the elements of a purchase request? Explain why farmers regularly add nitrate fertilizers to their field? How do plants forage for food? What ion is PO2 3? What is the method of transport for the movement of sodium ions into the cell and the potassium ions between the red blood cell and the plasma? What is the apparent magnitude of ross 248? What is a offspring of p 1? When was the paleozoic era? Is an isotope an atom with a positive charge? Do lighter gas particles diffuse less rapidly than heavier gas particles? What conditions associated with bedsores warrant immediate medical attention? What oh- a base acid or neutral? Is propanone a liquid or solid at room temperature?