Thermodynamics at work : on the pressure derivative of the specific heat

Detalhes bibliográficos
Autor(a) principal: Güémez, Júlio
Data de Publicação: 1999
Outros Autores: Fiolhais, Carlos, Fiolhais, Manuel
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10316/14174
https://doi.org/10.1119/1.19090
Resumo: Thermodynamics relates measurable quantities such as thermal coefficients and specific heats. The first law, which implies that the enthalpy is a function of state, yields a relation for the pressure derivative of the specific heat cP . The second law gives a simpler and well-known relation for this pressure derivative. We compare the values of the pressure derivative of cP obtained from the first and second laws to the values obtained from measurements for water at different pressures. The comparison illustrates the scope and methodology of thermodynamics.
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spelling Thermodynamics at work : on the pressure derivative of the specific heatThermodynamics relates measurable quantities such as thermal coefficients and specific heats. The first law, which implies that the enthalpy is a function of state, yields a relation for the pressure derivative of the specific heat cP . The second law gives a simpler and well-known relation for this pressure derivative. We compare the values of the pressure derivative of cP obtained from the first and second laws to the values obtained from measurements for water at different pressures. The comparison illustrates the scope and methodology of thermodynamics.American Association of Physics Teachers1999info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlehttp://hdl.handle.net/10316/14174http://hdl.handle.net/10316/14174https://doi.org/10.1119/1.19090engAmerican Journal of Physics. ISSN 0002-9505. Vol. 67, nº 12 (1999) p. 1100-11040002-9505Güémez, JúlioFiolhais, CarlosFiolhais, Manuelinfo:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2020-11-06T17:00:10Zoai:estudogeral.uc.pt:10316/14174Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T20:59:55.222590Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv Thermodynamics at work : on the pressure derivative of the specific heat
title Thermodynamics at work : on the pressure derivative of the specific heat
spellingShingle Thermodynamics at work : on the pressure derivative of the specific heat
Güémez, Júlio
title_short Thermodynamics at work : on the pressure derivative of the specific heat
title_full Thermodynamics at work : on the pressure derivative of the specific heat
title_fullStr Thermodynamics at work : on the pressure derivative of the specific heat
title_full_unstemmed Thermodynamics at work : on the pressure derivative of the specific heat
title_sort Thermodynamics at work : on the pressure derivative of the specific heat
author Güémez, Júlio
author_facet Güémez, Júlio
Fiolhais, Carlos
Fiolhais, Manuel
author_role author
author2 Fiolhais, Carlos
Fiolhais, Manuel
author2_role author
author
dc.contributor.author.fl_str_mv Güémez, Júlio
Fiolhais, Carlos
Fiolhais, Manuel
description Thermodynamics relates measurable quantities such as thermal coefficients and specific heats. The first law, which implies that the enthalpy is a function of state, yields a relation for the pressure derivative of the specific heat cP . The second law gives a simpler and well-known relation for this pressure derivative. We compare the values of the pressure derivative of cP obtained from the first and second laws to the values obtained from measurements for water at different pressures. The comparison illustrates the scope and methodology of thermodynamics.
publishDate 1999
dc.date.none.fl_str_mv 1999
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/10316/14174
http://hdl.handle.net/10316/14174
https://doi.org/10.1119/1.19090
url http://hdl.handle.net/10316/14174
https://doi.org/10.1119/1.19090
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv American Journal of Physics. ISSN 0002-9505. Vol. 67, nº 12 (1999) p. 1100-1104
0002-9505
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv American Association of Physics Teachers
publisher.none.fl_str_mv American Association of Physics Teachers
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
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repository.name.fl_str_mv Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
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