Property talk:P2075

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speed of sound
speed of sound waves in a material. Use qualifiers to specify the measurement conditions.

Represents	speed of sound (Q124003)
Data type	Quantity
Template parameter	en, fr and de infoboxes about chemicals
Domain	chemistry, physics (note: this should be moved to the property statements)
Allowed units	metre per second (Q182429)
Example	methanol (Q14982) → 1,123 metre per second air (Q7391292) → 331.5 metre per second
Tracking: usage	Category:Pages using Wikidata property P2075 (Q117011697)
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/P2075 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 75 Main statement 71 94.7% of uses Qualifier 4 5.3% of uses

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

Units: “metre per second (Q182429)”: 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/P2075#Units

Required qualifier “phase of matter (P515)”: this property should be used with the listed qualifier. (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/P2075#mandatory qualifier, SPARQL

Required qualifier “temperature (P2076)”: this property should be used with the listed qualifier. (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/P2075#mandatory qualifier, SPARQL

Qualifiers “under pressure (P2077), temperature (P2076), phase of matter (P515), sourcing circumstances (P1480), reason for deprecated rank (P2241), reason for preferred rank (P7452)”: this property should be used only with the listed qualifiers. (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/P2075#allowed qualifiers, 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/P2075#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/P2075#Entity types

Scope is as main value (Q54828448): the property must be used by specified way only (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/P2075#Scope, SPARQL

This property is being used by: io:Shablono:Elemento ca:Plantilla:Infotaula compost químic 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 ff:Template:Infobox chemical diq:Şablon:Infobox elementi gv:Clowan:WD Kishtey Fys Co-vunstoo Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)