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Properties of Gases and Gas mixtures topics include: State of gas equations, ideal gas, state laws and Daltons law.
Here are some properties of gases: No definite shape or volume: Gases can expand to fill any container and take the shape of the container. Compressibility: Gases are easily compressed and can have their volume reduced by applying pressure. Low density: Gases have a lower density and are more compressible than solids and liquids. Diffusibility: Gases diffuse very quickly. Exertion of pressure: Gases exert pressure equally in all directions. Expansibility: When pressure is applied to a gas, it contracts. Continuous chaotic motion: The molecules of gases are in continuous chaotic motion.
In a gas mixture, the pressure of a gas is called its partial pressure. The total pressure in a gas mixture is the sum of the individual partial pressures.
In a gas mixture, each gas has its own pressure and does not affect the pressure of the other gases unless they chemically react. Each gas exerts the same pressure as it would if it were alone in the container.
Related Test: Thermodynamics Practice Test: Properties of Pure Substances
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