quantitykind:ActivityCoefficient

URI: http://qudt.org/vocab/quantitykind/ActivityCoefficient

Type
Description

Properties
qudt:plainTextDescription
An "Activity Coefficient" is a factor used in thermodynamics to account for deviations from ideal behaviour in a mixture of chemical substances. In an ideal mixture, the interactions between each pair of chemical species are the same (or more formally, the enthalpy change of solution is zero) and, as a result, properties of the mixtures can be expressed directly in terms of simple concentrations or partial pressures of the substances present e.g. Raoult's law. Deviations from ideality are accommodated by modifying the concentration by an activity coefficient.
qudt:latexDefinition
\(f_B = \frac{\lambda_B}{(\lambda_B^*x_B)}\), where \(\lambda_B\) the absolute activity of substance \(B\), \(\lambda_B^*\) is the absolute activity of the pure substance \(B\) at the same temperature and pressure, and \(x_B\) is the amount-of-substance fraction of substance \(B\).
Annotations
rdfs:label
Activity Coefficient(en)
View as:  CSV

Work in progress

RDF/XML
<rdf:RDF
    xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
    xmlns:j.0="http://qudt.org/schema/qudt/"
    xmlns:owl="http://www.w3.org/2002/07/owl#"
    xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
    xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > 
  <rdf:Description rdf:about="http://qudt.org/vocab/quantitykind/ActivityCoefficient">
    <j.0:isoNormativeReference rdf:datatype="http://www.w3.org/2001/XMLSchema#anyURI">http://www.iso.org/iso/catalogue_detail?csnumber=31894</j.0:isoNormativeReference>
    <rdf:type rdf:resource="http://qudt.org/schema/qudt/QuantityKind"/>
    <rdfs:label xml:lang="en">Activity Coefficient</rdfs:label>
    <j.0:latexDefinition rdf:datatype="http://qudt.org/schema/qudt/LatexString">\(f_B = \frac{\lambda_B}{(\lambda_B^*x_B)}\), where \(\lambda_B\) the absolute activity of substance \(B\), \(\lambda_B^*\) is the absolute activity of the pure substance \(B\) at the same temperature and pressure, and \(x_B\) is the amount-of-substance fraction of substance \(B\).</j.0:latexDefinition>
    <rdfs:isDefinedBy rdf:resource="http://qudt.org/2.1/vocab/quantitykind"/>
    <j.0:applicableUnit rdf:resource="http://qudt.org/vocab/unit/UNITLESS"/>
    <j.0:informativeReference rdf:datatype="http://www.w3.org/2001/XMLSchema#anyURI">http://en.wikipedia.org/wiki/Activity_coefficient</j.0:informativeReference>
    <j.0:symbol>f_B</j.0:symbol>
    <j.0:plainTextDescription>An "Activity Coefficient" is a factor used in thermodynamics to account for deviations from ideal behaviour in a mixture of chemical substances. In an ideal mixture, the interactions between each pair of chemical species are the same (or more formally, the enthalpy change of solution is zero) and, as a result, properties of the mixtures can be expressed directly in terms of simple concentrations or partial pressures of the substances present e.g. Raoult's law. Deviations from ideality are accommodated by modifying the concentration by an activity coefficient. </j.0:plainTextDescription>
    <j.0:hasDimensionVector rdf:resource="http://qudt.org/vocab/dimensionvector/A0E0L0I0M0H0T0D1"/>
  </rdf:Description>
</rdf:RDF>
TURTLE
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<http://qudt.org/vocab/quantitykind/ActivityCoefficient>
  rdf:type <http://qudt.org/schema/qudt/QuantityKind> ;
  <http://qudt.org/schema/qudt/applicableUnit> <http://qudt.org/vocab/unit/UNITLESS> ;
  <http://qudt.org/schema/qudt/hasDimensionVector> <http://qudt.org/vocab/dimensionvector/A0E0L0I0M0H0T0D1> ;
  <http://qudt.org/schema/qudt/informativeReference> "http://en.wikipedia.org/wiki/Activity_coefficient"^^xsd:anyURI ;
  <http://qudt.org/schema/qudt/isoNormativeReference> "http://www.iso.org/iso/catalogue_detail?csnumber=31894"^^xsd:anyURI ;
  <http://qudt.org/schema/qudt/latexDefinition> "\\(f_B = \\frac{\\lambda_B}{(\\lambda_B^*x_B)}\\), where \\(\\lambda_B\\) the absolute activity of substance \\(B\\), \\(\\lambda_B^*\\) is the absolute activity of the pure substance \\(B\\) at the same temperature and pressure, and \\(x_B\\) is the amount-of-substance fraction of substance \\(B\\)."^^<http://qudt.org/schema/qudt/LatexString> ;
  <http://qudt.org/schema/qudt/plainTextDescription> "An \"Activity Coefficient\" is a factor used in thermodynamics to account for deviations from ideal behaviour in a mixture of chemical substances. In an ideal mixture, the interactions between each pair of chemical species are the same (or more formally, the enthalpy change of solution is zero) and, as a result, properties of the mixtures can be expressed directly in terms of simple concentrations or partial pressures of the substances present e.g. Raoult's law. Deviations from ideality are accommodated by modifying the concentration by an activity coefficient. " ;
  <http://qudt.org/schema/qudt/symbol> "f_B" ;
  rdfs:isDefinedBy <http://qudt.org/2.1/vocab/quantitykind> ;
  rdfs:label "Activity Coefficient"@en ;
.
JSON
{"resource":"Activity Coefficient" 
 ,"qname":"quantitykind:ActivityCoefficient" 
 ,"uri":"http:\/\/qudt.org\/vocab\/quantitykind\/ActivityCoefficient" 
 ,"properties":["applicable unit":"unit:UNITLESS" 
    ,"description (plain text)":"An \"Activity Coefficient\" is a factor used in thermodynamics to account for deviations from ideal behaviour in a mixture of chemical substances. In an ideal mixture, the interactions between each pair of chemical species are the same (or more formally, the enthalpy change of solution is zero) and, as a result, properties of the mixtures can be expressed directly in terms of simple concentrations or partial pressures of the substances present e.g. Raoult's law. Deviations from ideality are accommodated by modifying the concentration by an activity coefficient. " 
    ,"has dimension vector":"dimension:A0E0L0I0M0H0T0D1" 
    ,"informative reference":"http:\/\/en.wikipedia.org\/wiki\/Activity_coefficient" 
    ,"isDefinedBy":"&lt;http:\/\/qudt.org\/2.1\/vocab\/quantitykind&gt;" 
    ,"label":"Activity Coefficient" 
    ,"latex definition":"\\(f_B = \\frac{\\lambda_B}{(\\lambda_B^*x_B)}\\), where \\(\\lambda_B\\) the absolute activity of substance \\(B\\), \\(\\lambda_B^*\\) is the absolute activity of the pure substance \\(B\\) at the same temperature and pressure, and \\(x_B\\) is the amount-of-substance fraction of substance \\(B\\)." 
    ,"normative reference (ISO)":"http:\/\/www.iso.org\/iso\/catalogue_detail?csnumber=31894" 
    ,"symbol":"f_B" 
    ,"type":"qudt:QuantityKind" 
    ]}
JSON-LD
{
  "@id" : "http://qudt.org/vocab/quantitykind/ActivityCoefficient",
  "@type" : "http://qudt.org/schema/qudt/QuantityKind",
  "applicableUnit" : "http://qudt.org/vocab/unit/UNITLESS",
  "hasDimensionVector" : "http://qudt.org/vocab/dimensionvector/A0E0L0I0M0H0T0D1",
  "informativeReference" : "http://en.wikipedia.org/wiki/Activity_coefficient",
  "isoNormativeReference" : "http://www.iso.org/iso/catalogue_detail?csnumber=31894",
  "latexDefinition" : "\\(f_B = \\frac{\\lambda_B}{(\\lambda_B^*x_B)}\\), where \\(\\lambda_B\\) the absolute activity of substance \\(B\\), \\(\\lambda_B^*\\) is the absolute activity of the pure substance \\(B\\) at the same temperature and pressure, and \\(x_B\\) is the amount-of-substance fraction of substance \\(B\\).",
  "plainTextDescription" : "An \"Activity Coefficient\" is a factor used in thermodynamics to account for deviations from ideal behaviour in a mixture of chemical substances. In an ideal mixture, the interactions between each pair of chemical species are the same (or more formally, the enthalpy change of solution is zero) and, as a result, properties of the mixtures can be expressed directly in terms of simple concentrations or partial pressures of the substances present e.g. Raoult's law. Deviations from ideality are accommodated by modifying the concentration by an activity coefficient. ",
  "symbol" : "f_B",
  "isDefinedBy" : "http://qudt.org/2.1/vocab/quantitykind",
  "label" : {
    "@language" : "en",
    "@value" : "Activity Coefficient"
  },
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    },
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    "owl" : "http://www.w3.org/2002/07/owl#",
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}

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