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29 Οκτ 2018 · A gas does not have a defined shape or volume, so it can expand to fill any size or shape of container. Particles in gases are widely separated, compared to those in liquids and solids. Examples of gases include: Air; Natural gas; Hydrogen; Carbon dioxide; Water vapor; Freon; Ozone; Nitrogen; Argon; Natural gas; Examples of Plasma
The water or vapor content in air varies. The maximum moisture carrying capacity of air depends primarily on temperature. The composition of air is unchanged until elevation of approximately 10.000 m. The average air temperature diminishes at the rate of 0.6 oC for each 100 m vertical height.
Thermal properties of air at different temperatures - density, viscosity, critical temperature and pressure, triple point, enthalpi and entropi, thermal conductivity and diffusivity and more. Thermophysical properties of air: Boiling temperature (at 1 bara): 78.8 K = -194.4 °C = -317.8 °F.
21 Ιαν 2023 · On this page: Air is a mixture of gases, 78% nitrogen and 21% oxygen with traces of water vapor, carbon dioxide, argon, and various other components. We usually model air as a uniform (no variation or fluctuation) gas with properties that are averaged from all the individual components.
Nitrogen gas is the primary component of air. Nitrogen, oxygen, water vapor, argon, and carbon dioxide account for about 99% of the composition of air. Trace gases in Earth's atmosphere include neon, methane, helium, krypton, hydrogen, xenon, ozone, and many other elements and compounds.
perimental p–r–T, heat capacity, speed of sound, and vapor–liquid equilibrium data is presented. This formulation is valid for liquid, vapor, and supercritical air at temperatures from the solidification point on the bubble-point curve~59.75 K! to 2000 K at pressures up to 2000 MPa.
The Energy of Gases, Solids and Liquids. The three basic states of matter have different amounts of kinetic (movement) energy: in a solid, the particles vibrate about a fixed point.
