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Compressibility factor

Index Compressibility factor

The compressibility factor (Z), also known as the compression factor or the gas deviation factor, is a correction factor which describes the deviation of a real gas from ideal gas behavior. [1]

32 relations: Atmosphere (unit), Atmosphere of Earth, Bar (unit), Binodal, Boiling point, Boyle temperature, Chemical polarity, Chloromethane, Compressibility, Critical point (thermodynamics), Density, Equation of state, Fugacity, Gas composition, Gas constant, Ideal gas, Ideal gas law, Intermolecular force, Johannes Diderik van der Waals, Kelvin, List of thermodynamic properties, Molar mass, Mole (unit), Nitrogen, Oxygen, Rankine scale, Real gas, Reduced properties, Statistical mechanics, Temperature, Theorem of corresponding states, Van der Waals equation.

Atmosphere (unit)

The standard atmosphere (symbol: atm) is a unit of pressure defined as.

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Atmosphere of Earth

The atmosphere of Earth is the layer of gases, commonly known as air, that surrounds the planet Earth and is retained by Earth's gravity.

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Bar (unit)

The bar is a metric unit of pressure, but is not approved as part of the International System of Units (SI).

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Binodal

In thermodynamics, the binodal, also known as the coexistence curve or binodal curve, denotes the condition at which two distinct phases may coexist.

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Boiling point

The boiling point of a substance is the temperature at which the vapor pressure of the liquid equals the pressure surrounding the liquid and the liquid changes into a vapor.

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Boyle temperature

The Boyle temperature is formally defined as the temperature for which the second virial coefficient, B_(T) becomes zero.

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Chemical polarity

In chemistry, polarity is a separation of electric charge leading to a molecule or its chemical groups having an electric dipole or multipole moment.

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Chloromethane

Chloromethane, also called methyl chloride, Refrigerant-40, R-40 or HCC 40, is a chemical compound of the group of organic compounds called haloalkanes.

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Compressibility

In thermodynamics and fluid mechanics, compressibility (also known as the coefficient of compressibility or isothermal compressibility) is a measure of the relative volume change of a fluid or solid as a response to a pressure (or mean stress) change.

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Critical point (thermodynamics)

In thermodynamics, a critical point (or critical state) is the end point of a phase equilibrium curve.

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Density

The density, or more precisely, the volumetric mass density, of a substance is its mass per unit volume.

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Equation of state

In physics and thermodynamics, an equation of state is a thermodynamic equation relating state variables which describe the state of matter under a given set of physical conditions, such as pressure, volume, temperature (PVT), or internal energy.

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Fugacity

In chemical thermodynamics, the fugacity of a real gas is an effective partial pressure which replaces the mechanical partial pressure in an accurate computation of the chemical equilibrium constant.

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Gas composition

The Gas composition of any gas can be characterised by listing the pure substances it contains, and stating for each substance its proportion of the gas mixture's molecule count.

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Gas constant

The gas constant is also known as the molar, universal, or ideal gas constant, denoted by the symbol or and is equivalent to the Boltzmann constant, but expressed in units of energy per temperature increment per mole, i.e. the pressure-volume product, rather than energy per temperature increment per particle.

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Ideal gas

An ideal gas is a theoretical gas composed of many randomly moving point particles whose only interactions are perfectly elastic collisions.

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Ideal gas law

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

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Intermolecular force

Intermolecular forces (IMF) are the forces which mediate interaction between molecules, including forces of attraction or repulsion which act between molecules and other types of neighboring particles, e.g., atoms or ions.

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Johannes Diderik van der Waals

Johannes Diderik van der Waals (23 November 1837 – 8 March 1923) was a Dutch theoretical physicist and thermodynamicist famous for his work on an equation of state for gases and liquids.

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Kelvin

The Kelvin scale is an absolute thermodynamic temperature scale using as its null point absolute zero, the temperature at which all thermal motion ceases in the classical description of thermodynamics.

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List of thermodynamic properties

Within thermodynamics, a physical property is any property that is measurable, and whose value describes a state of a physical system.

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Molar mass

In chemistry, the molar mass M is a physical property defined as the mass of a given substance (chemical element or chemical compound) divided by the amount of substance.

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Mole (unit)

The mole, symbol mol, is the SI unit of amount of substance.

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Nitrogen

Nitrogen is a chemical element with symbol N and atomic number 7.

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Oxygen

Oxygen is a chemical element with symbol O and atomic number 8.

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Rankine scale

The Rankine scale is an absolute scale of thermodynamic temperature named after the Glasgow University engineer and physicist William John Macquorn Rankine, who proposed it in 1859.

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Real gas

Real gases are non-hypothetical gases whose molecules occupy space and have interactions; consequently, they adhere to gas laws.

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Reduced properties

In thermodynamics, the reduced properties of a fluid are a set of state variables normalized by the fluid's state properties at its critical point.

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Statistical mechanics

Statistical mechanics is one of the pillars of modern physics.

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Temperature

Temperature is a physical quantity expressing hot and cold.

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Theorem of corresponding states

According to van der Waals, the theorem of corresponding states (or principle of corresponding states) indicates that all fluids, when compared at the same reduced temperature and reduced pressure, have approximately the same compressibility factor and all deviate from ideal gas behavior to about the same degree.

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Van der Waals equation

The van der Waals equation (or van der Waals equation of state; named after Johannes Diderik van der Waals) is based on plausible reasons that real gases do not follow the ideal gas law.

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Redirects here:

Compressibility chart, Compression factor, Deviation factor.

References

[1] https://en.wikipedia.org/wiki/Compressibility_factor

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