What is <standard enthalpy of formation> of <ethane> ?
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Which is the standard enthalpy of formation of ethane?
SELECT DISTINCT ?u WHERE { resource:ethane property:standard_enthalpy_of_formation ?u }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q52858> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P3078> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer. }
select distinct ?answer where { wd:Q52858 wdt:P3078 ?answer}
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