Property talk:P2117

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combustion enthalpy
enthalpy difference of a substance for combustion

Represents	heat of combustion (Q902126), combustion enthalpy (Q10273091)
Data type	Quantity
Template parameter	en, fr and de infoboxes about chemicals
Domain	According to this template: chemistry, physics According to statements in the property: chemical substance (Q79529) When possible, data should only be stored as statements
Allowed units	joule per mole (Q13035094) or kilojoule per mole (Q752197)
Example	methanol (Q14982) → −726,000 joule per mole
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Minimum and maximum Items with highest numeric value Items with lowest numeric value Database reports/Constraint violations/P2117 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 15 Main statement 14 93.3% of uses Qualifier 1 6.7% of uses

[create Create a translatable help page (preferably in English) for this property to be included here]

Units: “joule per mole (Q13035094), kilojoule per mole (Q752197)”: value unit must be one of listed. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2117#Units

Scope is as main value (Q54828448): the property must be used by specified way only (Help)

List of violations of this constraint: Database reports/Constraint violations/P2117#Scope, hourly updated report, SPARQL

Citation needed: the property must have at least one reference (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2117#citation needed

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2117#Entity types

Type “chemical substance (Q79529)”: item must contain property “instance of (P31), subclass of (P279)” with classes “chemical substance (Q79529)” or their subclasses (defined using subclass of (P279)). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2117#Type Q79529, SPARQL

This property is being used by: be-x-old:Шаблён:Рэчыва ca:Plantilla:Infotaula compost químic, ca:Plantilla:Infotaula de fàrmac, ca:Plantilla:Amadalvarez/traduccions 2, ca:Plantilla:Infotaula de fàrmac/prova eu:Txantiloi:Konposatu kimiko infotaula/probak, eu:Txantiloi:Konposatu kimiko infotaula ast:Plantía:Ficha de compuestu químicu ha:Template:Infobox chemical incubator:Template:Wp/shi/Infobox chemical kab:Talɣa:Infobox chemical shi:Talɣa:Infobox chemical ga:Teimpléad:WD Bosca Sonraí Comhdhúil Cheimiceach, ga:Teimpléad:WD Bosca Sonraí Druga ff:Template:Infobox chemical be-tarask:Шаблён:Рэчыва gv:Clowan:WD Kishtey Fys Co-vunstoo Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)