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Part 99-6.1

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Part 9: Physical Chemistry·62 entries

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Section 9-64 entries

9-6.1molar internal energy 9-6.2molar enthalpy 9-6.3molar Helmholtz energy 9-6.4molar Gibbs energy

9-6.1

molar internal energy

URNurn:iso:std:iso:80000:-9:ed-2:en:item:9-6.1

Download RDF.jsonld .ttl

https://metanorma.github.io/isq-smart/quantities/part-9/t9-6.1
urn:iso:std:iso:80000:-9:ed-2:en:item:9-6.1

ISQ Identifiers

ISO

urn:iso:std:iso:80000:-9:ed-2:en:item:9-6.1

IEC

urn:iec:std:iec:80000-9:2019:::item:9-6.1

Designations

ENmolar internal energy

FRénergie interne molaire

Symbol

U_{m}

Notation systems

Rendered

U_{m}

AsciiMath

U_"m"

LaTeX

U_{\text{m}}

Definition

quotient of internal energy $U$ (ISO 80000-5: Thermodynamics) and amount $n$ of substance (amount of substance):

U_{m} = U / n

quotient de l'énergie interne $U$ (ISO 80000-5: Thermodynamics) par la quantité de matière $n$ (amount of substance):

U_{m} = U / n

Units

\frac{J}{m} o l

joule per mole

View related quantities →

k g \cdot m^{2} \cdot s^{- 2} \cdot m o l^{- 1}

kilogram square metre per second squared mole

View related quantities →

Notes

Molar quantities are normally only used with reference to pure substances.

Les grandeurs molaires ne sont généralement utilisées qu'en référence à des substances pures.

Concept HierarchyPendrill (2024)

L² M T⁻² N⁻¹L² M T⁻² N⁻¹ quantitiesLevel 0 · Kind

Broader concepts

◇ L² M T⁻² N⁻¹ quantities ↑ t5-20.2

Characterizes

● substance

Ontology
isq:Quantity smart:TermEntry

Class Hierarchy

smart:Entity smart:TermEntryisq:Quantity

A physical quantity as defined in ISO/IEC 80000, with associated symbols, definitions, and units of measurement.

Instance IRI

isq:t9-6.1

Properties

isq:QuantityShape

Property	Value
rdf:type	isq:Quantity smart:TermEntry
dcterms:identifier	9-6.1
skosxl:prefLabel	"molar internal energy"@en
skosxl:altLabel	"U_"m""@en
skos:definition	quotient of internal energy stem:[U] (<<iso80000-5>>) and amount stem:[n] of substance (<<t9-2>>): [stem%unnumbered] ++…
skos:note	Molar quantities are normally only used with reference to pure substances.
isq:hasUnit	J/mol (joule per mole)kgm^2s^(-2)*mol^(-1) (kilogram square metre per second squared mole)
isq:hasDimension	isq:Dimension
smart:hasBindingnessType	bindingness-type:normative
dcterms:isPartOf	isq:part-9

Related Entities

isq:QuantityShape isq:part-9 isq:Unit isq:Dimension isq:hasDimension smart:TermEntry