
Volatile Substances
Volatile substances are chemicals that have a high vapor pressure at room temperature. In the context of space and astronautical engineering, volatile substances are of particular interest due to their potential use as propellants and fuels. These substances can be used in both liquid and gaseous forms, and are often chosen for their high energy density and low molecular weight. However, they can also be highly reactive and require careful handling and storage. Examples of volatile substances used in space and astronautical engineering include liquid hydrogen, liquid oxygen, and hydrazine.
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