What happens to the energy of a system when a proton moves away from another proton?

What is the subscript for oxygen in its molecular formula

The fact that the total amount of energy in a system remains constant is a(n)

When hydrogen peroxide (h2o2) is added to potassium iodide (ki) solution, the hydrogen peroxide decomposes into water (h2o) and oxygen (o2). the chemical equation for the decomposition reaction is: 2h2o2—> 2h2o + o2. what is the role of the potassium iodide in this reaction? a. reactant. b. product. c. precipitate. d. catalyst.