Hydrogen peroxide often decomposes exothermically into water and oxygen gas spontaneously:<br /><br />2H2O2 - /> 2H2O + O2 + Energy<br /><br />The rate of decomposition is dependent on the temperature and concentration of the peroxide, as well as the presence of impurities and stabilizers. The ability of peroxide to coexist with a substance is called compatibility. Peroxide is incompatible with many substances, including most of the transition metals (i.e. iron, copper, silver, cobalt, etc.) and their compounds, many organic compounds, dirt, human beings, etc. these things are catalase or carry Catalyze. Spilling high concentration peroxide on a flammable substance can cause an immediate fire fueled by the oxygen released by the decomposing Hydrogen Peroxide.<br /><br />I have found no reference to Hydrogen Peroxide happening naturally; however, it would seem more likely that the sources of Hydrogen on the Earth's Moon derive from water ice.<br /><br />---
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