standard temperature and pressure


standard temperature and pressure
the temperature of 0°C and pressure of 1 atmosphere, usually taken as the conditions when stating properties of gases. Also called standard conditions. Abbr.: STP

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Universalium. 2010.

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  • standard temperature and pressure — the temperature of 0°C and pressure of 1 atmosphere, usually taken as the conditions when stating properties of gases. Also called standard conditions. Abbr.: STP * * * standard temperature and pressure noun A temperature of 0ºC and a pressure of …   Useful english dictionary

  • standard temperature and pressure — noun The international, standard conditions used to aid reproducibility; a temperature of 0 °C (273.15 K) and a pressure of 1 atmosphere (101.325 kPa). Abbreviated as STP …   Wiktionary

  • Standard conditions for temperature and pressure — Not to be confused with Standard state. In chemistry, standard condition for temperature and pressure (informally abbreviated as STP) are standard sets of conditions for experimental measurements, to allow comparisons to be made between different …   Wikipedia

  • Standard state — In chemistry, the standard state of a material is its state at 1 bar (100 kilopascals exactly). This pressure was changed from 1 atm (101.325 kilopascals) by IUPAC in 1990. [GoldBookRef | file = S05910 | title = standard conditions for gases] The …   Wikipedia

  • Standard molar entropy — In chemistry, the standard molar entropy is the entropy content of one mole of substance, under standard conditions (not standard temperature and pressure STP).The standard molar entropy is usually given the symbol S o, and the units joules per… …   Wikipedia

  • Standard cubic foot — A standard cubic foot (abbreviated as scf) is a measure of quantity of gas, equal to a cubic foot of volume at 60 degrees Fahrenheit and either 14.696 pounds per square inch (1 atm) or 14.73 PSI (30 inHg) of pressure. See standard temperature and …   Wikipedia

  • standard conditions. — See standard temperature and pressure. * * * …   Universalium

  • standard conditions. — See standard temperature and pressure …   Useful english dictionary

  • Standard cubic feet per minute — (SCFM) is the volumetric flow rate of a gas corrected to standardized conditions of temperature and pressure. It is equivalent to the molar flow rate by the ideal gas law. Conversion of SCFM to mass flow requires knowledge of the mixture averaged …   Wikipedia

  • Standard atmosphere — can refer to:* A standard reference value for air pressure: ** Atmosphere (unit), an approximation of the value at sea level ** Atmospheric pressure, other reference values * A model of how atmospheric pressure varies with altitude: ** The U.S.… …   Wikipedia


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