# Reference conditions of gas temperature and pressure/Related Articles

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*See also changes related to Reference conditions of gas temperature and pressure, or pages that link to Reference conditions of gas temperature and pressure or to this page or whose text contains "Reference conditions of gas temperature and pressure".*

## Parent topic

- Engineering [r]: a branch of engineering that uses chemistry, biology, physics, and math to solve problems involving fuel, drugs, food, and many other products.
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## Subtopics

- Chemical engineering [r]: a branch of engineering that uses chemistry, biology, physics, and math to solve problems involving fuel, drugs, food, and many other products
^{[e]} - Chemistry [r]: The science of matter, or of the electrical or electrostatical interactions of matter.
^{[e]} - Environmental engineering [r]: A field of engineering devoted to remediation of all forms of pollution.
^{[e]} - Petroleum engineering [r]:
*Add brief definition or description* - Physics [r]: The study of forces and energies in space and time.
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- Atmosphere (unit) [r]: A unit of pressure measurement (symbol: atm) defined as 101,325 pascal.
^{[e]} - Air pollutant concentrations [r]: Methods for conversion of air pollutant concentrations.
^{[e]} - Bar (unit) [r]: A unit of pressure measurement (symbol: bar) defined as 100,000 Pascals.
^{[e]} - Fahrenheit (unit) [r]: A unit of temperature, defined by the melting point of water being at 32 degrees (°F), and the temperature difference between the melting and the boiling points to 180.
^{[e]} - Gas [r]: One of the major states of matter (i.e., gas, liquid, solid and plasma).
^{[e]} - International Union of Pure and Applied Chemistry [r]: A non-governmental scientific organization serving to advance all aspects of the chemical sciences and to contribute to the international application of chemistry by scientists, engineers and others.
^{[e]} - National Institute of Standards and Technology [r]: A measurement standards laboratory which is a non-regulatory agency of the United States Department of Commerce.
^{[e]} - Molar gas constant [r]: A physical constant which is featured in a large number of fundamental equations in the physical sciences, such as the ideal gas law and the Nernst equation, and it is equivalent to the Boltzmann constant, but expressed in units of energy
^{[e]} - Mole (unit) [r]: An SI base unit useed to measure the physical amount of substance.
^{[e]} - Molecular mass [r]: The mass of a molecule expressed in unified atomic mass units.
^{[e]} - Pascal (unit) [r]: The SI unit of pressure; the force of one newton acting uniformly over an area of one square metre.
^{[e]} - Pressure [r]: A ratio equal to the force applied perpendicular to the surface of the area divided by that area (force/area).
^{[e]} - Rankine (unit) [r]: A unit of temperature, defined by absolute zero being at 0 degrees (°R), with 1°R being equal to 1°F (Fahrenheit), i.e. the temperature difference between the melting and the boiling points of water is set to 180.
^{[e]} - Standard Cubic Feet Per Minute [r]: An acronym for "Standard cubic feet per minute" which is used to denote the volumetric flow rate of a gas (in the United States customary units) corrected to "standardized" conditions of temperature, pressure and relative humidity, thus representing a precise mass flow rate.
^{[e]} - Temperature [r]: A fundamental quantity in physics - describes how warm or cold a system is.
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- Power law [r]: A mathematical relationship between two quantities where one is proportional to a power of the other: that is, of the form where and are constants, with being referred to as the exponent.
^{[e]} - International System of Units [r]: Metric unit system based on the metre, kilogram, second, ampere, kelvin, mole and candela.
^{[e]} - Intermolecular forces [r]:
*Add brief definition or description*