Hydrogen Peroxide
Hydrogen peroxide is a chemical compound with the formula H2O2. In the context of space and astronautical engineering, hydrogen peroxide is commonly used as a propellant in rocket engines. It is a monopropellant, meaning it decomposes into hot gas when passed over a catalyst, which is then expelled out of a nozzle to create thrust. Hydrogen peroxide is a high-density propellant, which makes it useful for small spacecraft and maneuvering thrusters. It is also used as an oxidizer in bipropellant rocket engines, where it is combined with a fuel such as kerosene or hydrazine. Hydrogen peroxide is also used as a disinfectant and cleaning agent on spacecraft and in space habitats, due to its ability to break down into water and oxygen. However, it is highly reactive and can be dangerous to handle, requiring careful storage and handling procedures.
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