An ideal gas is a theoretical gas composed of many randomly moving point particles that are not subject to interparticle interactions. The ideal gas concept...

The ideal gas law, also called the general gas equation, is the equation of state of a hypothetical ideal gas. It is a good approximation of the behavior...

The molar gas constant (also known as the gas constant, universal gas constant, or ideal gas constant) is denoted by the symbol R or R. It is the molar...

these properties expressed by the ideal gas law (see § Ideal and perfect gas section below). Gas particles are widely separated from one another, and consequently...

of several empirical gas laws led to the development of the ideal gas law. The ideal gas law was later found to be consistent with atomic and kinetic...

Δ T = 0 {\displaystyle \Delta T=0} d T = 0 {\displaystyle dT=0} For ideal gases only, internal energy Δ U = 0 {\displaystyle \Delta U=0} while in adiabatic...

appear as a straight horizontal line. If an ideal gas is used in an isochoric process, and the quantity of gas stays constant, then the increase in energy...

monatomic gas, 5 for a diatomic gas or a gas of linear molecules such as carbon dioxide). For a monatomic ideal gas, γ = ⁠5/3⁠, and for a diatomic gas (such...

For an ideal gas, evaluating the partial derivatives above according to the equation of state, where R is the gas constant, for an ideal gas P V = n...

Non ideal compressible fluid dynamics (NICFD), or non ideal gas dynamics, is a branch of fluid mechanics studying the dynamic behavior of fluids not obeying...

gas deviation factor, describes the deviation of a real gas from ideal gas behaviour. It is simply defined as the ratio of the molar volume of a gas to...

densities of gases and liquids to temperatures and pressures, known as the ideal gas law, which is roughly accurate for weakly polar gases at low pressures...

are pumps, gas compressors, turbines, nozzles, and diffusers. Most steady-flow devices operate under adiabatic conditions, and the ideal process for...

also applies to metals in the Fermi gas approximation. Degenerate matter is usually modelled as an ideal Fermi gas, an ensemble of non-interacting fermions...

331 m/s (1,086 ft/s; 1,192 km/h; 740 mph; 643 kn). The speed of sound in an ideal gas depends only on its temperature and composition. The speed has a weak...

expansion factor and is denoted by γ (gamma) for an ideal gas or κ (kappa), the isentropic exponent for a real gas. The symbol γ is used by aerospace and chemical...

PMID 11317290. Heat Capacity of an Ideal Gas Heat Capacity of Ideal Gases Lecture 3: Thermodynamics of Ideal Gases & Calorimetry[permanent dead link]...

calculated explicitly for an ideal gas in a uniform gravitational field. The results are stated below for a 3-dimensional ideal gas of N {\displaystyle N} particles...

experimental gas law relating the volume of a gas to the amount of substance of gas present. The law is a specific case of the ideal gas law. A modern...

1085 °C). When pressure approaches zero, all real gas will behave like ideal gas, that is, pV of a mole of gas relying only on temperature. Therefore, we can...

perfect gas models are ideal gas models in the sense that they all follow the ideal gas equation of state. However, the idea of a perfect gas model is...

single spring. For example, it predicts that every atom in a monatomic ideal gas has an average kinetic energy of ⁠3/2⁠kBT in thermal equilibrium, where...

_{i}^{0}}=M_{i}v_{i}} For ideal gases, the molar volume is given by the ideal gas equation; this is a good approximation for many common gases at standard temperature...

temperature in gases. This theory also explains the ideal gas law and the observed heat capacity of monatomic (or 'noble') gases. The ideal gas law is based...

kelvin) and energy (with unit joule). Macroscopically, the ideal gas law states that, for an ideal gas, the product of pressure p and volume V is proportional...

molar heat capacity of the gas; c V {\displaystyle c_{V}} is constant for an ideal gas. The internal energy of any gas (ideal or not) may be written as...

deviations of the thermodynamic properties of a real gas from those expected from an ideal gas. The compressibility factor is defined as Z = p V m R...

or molecules of the gas. The basic version of the model describes an ideal gas. It treats the collisions as perfectly elastic and as the only interaction...

{\displaystyle n=+\infty } for an isochoric process. In addition, when the ideal gas law applies: n = 1 {\displaystyle n=1} for an isothermal process, n =...

then opened, and the gas fills the whole container. The Joule expansion, treated as a thought experiment involving ideal gases, is a useful exercise...