{"id":41880,"date":"2019-09-30T16:38:10","date_gmt":"2019-09-30T15:38:10","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/que-es-la-energia-interna-especifica-definicion\/"},"modified":"2020-01-14T17:09:34","modified_gmt":"2020-01-14T16:09:34","slug":"que-es-la-energia-interna-especifica-definicion","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/es\/que-es-la-energia-interna-especifica-definicion\/","title":{"rendered":"\u00bfQu\u00e9 es la energ\u00eda interna espec\u00edfica? Definici\u00f3n"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-clearfix\">La energ\u00eda interna espec\u00edfica (u) de una sustancia es su energ\u00eda interna por unidad de masa.\u00a0Es una propiedad intensiva.\u00a0Es igual a la energ\u00eda interna total (U) dividida por la masa total (m).\u00a0Ingenieria termal<\/div>\n<\/div>\n<div class=\"su-divider su-divider-style-dotted\"><\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<div class=\"su-spacer\"><\/div>\n<h2>Energ\u00eda interna espec\u00edfica<\/h2>\n<p>La\u00a0<strong>energ\u00eda interna espec\u00edfica (u)<\/strong>\u00a0de una sustancia es su energ\u00eda interna por unidad de masa.\u00a0Es una\u00a0<a title=\"Propiedades extensivas e intensivas\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/thermodynamics\/extensive-and-intensive-properties\/\"><strong>propiedad intensiva<\/strong><\/a>\u00a0.\u00a0Es igual a la energ\u00eda interna total (U) dividida por la masa total (m).<\/p>\n<p><em><strong>u = U \/ m<\/strong><\/em><\/p>\n<p>d\u00f3nde:<\/p>\n<p>u = energ\u00eda interna espec\u00edfica (J \/ kg)<\/p>\n<p>U = energ\u00eda interna (J)<\/p>\n<p>m = masa (kg)<\/p>\n<\/div>\n<\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<div class=\"su-spacer\"><\/div>\n<h2>Energ\u00eda interna &#8211; Energ\u00eda t\u00e9rmica<\/h2>\n<p><a title=\"\u00bfQu\u00e9 es la energ\u00eda potencial?\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/thermodynamics\/what-is-energy-physics\/what-is-potential-energy\/\"><strong>La energ\u00eda potencial<\/strong>\u00a0<\/a>y<a title=\"\u00bfQu\u00e9 es la energ\u00eda cin\u00e9tica?\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/thermodynamics\/what-is-energy-physics\/what-is-kinetic-energy\/\"><strong>\u00a0la energ\u00eda cin\u00e9tica<\/strong><\/a>\u00a0, que se discuti\u00f3 en cap\u00edtulos anteriores, son<strong>\u00a0formas macrosc\u00f3picas de energ\u00eda<\/strong>\u00a0.\u00a0Dependen de variables macrosc\u00f3picas como la posici\u00f3n y la velocidad de los objetos.<\/p>\n<p>En termodin\u00e1mica,\u00a0<strong>la energ\u00eda interna<\/strong>\u00a0(tambi\u00e9n llamada\u00a0<strong>energ\u00eda t\u00e9rmica<\/strong>\u00a0) se define como la energ\u00eda asociada con\u00a0<strong>formas microsc\u00f3picas de energ\u00eda<\/strong>\u00a0.\u00a0Es una\u00a0<a title=\"Propiedades extensivas e intensivas\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/thermodynamics\/extensive-and-intensive-properties\/\">cantidad extensa<\/a>\u00a0, depende del tama\u00f1o del sistema o de la cantidad de sustancia que contiene.\u00a0La unidad SI de\u00a0<strong>energ\u00eda interna<\/strong>\u00a0es el\u00a0<strong>julio (J)<\/strong>\u00a0.\u00a0Es la energ\u00eda contenida dentro del sistema, excluyendo la energ\u00eda cin\u00e9tica de movimiento del sistema como un todo y la energ\u00eda potencial del sistema.\u00a0<strong>Las formas microsc\u00f3picas de energ\u00eda<\/strong>\u00a0incluyen aquellas debidas a la\u00a0<strong>rotaci\u00f3n<\/strong>\u00a0,\u00a0<strong>vibraci\u00f3n, traslaci\u00f3n<\/strong>\u00a0e\u00a0<strong>interacciones.<\/strong>entre las mol\u00e9culas de una sustancia.\u00a0Ninguna de estas formas de energ\u00eda se puede medir o evaluar directamente, pero se han desarrollado t\u00e9cnicas para evaluar el cambio en la suma total de todas estas formas microsc\u00f3picas de energ\u00eda.<\/p>\n<p>Adem\u00e1s, la energ\u00eda se puede almacenar en los enlaces qu\u00edmicos entre los \u00e1tomos que forman las mol\u00e9culas.\u00a0Este almacenamiento de energ\u00eda a nivel at\u00f3mico incluye energ\u00eda asociada con estados orbitales de electrones, esp\u00edn nuclear y fuerzas de uni\u00f3n en el n\u00facleo.<\/p>\n<p><strong>La energ\u00eda interna<\/strong>\u00a0est\u00e1 representada por el s\u00edmbolo\u00a0<strong>U<\/strong>\u00a0, y el cambio en la energ\u00eda interna en un proceso es U\u00a0<sub>2<\/sub>\u00a0&#8211; U\u00a0<sub>1<\/sub>\u00a0.<\/p>\n<\/div>\n<\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<div class=\"su-spacer\"><\/div>\n<h2><span>Energ\u00eda microsc\u00f3pica<\/span><\/h2>\n<p><strong><span>La energ\u00eda interna<\/span><\/strong><span>\u00a0implica energ\u00eda a\u00a0<\/span><strong><span>escala microsc\u00f3pica<\/span><\/strong><span>\u00a0.\u00a0Se puede dividir en energ\u00eda potencial microsc\u00f3pica,\u00a0<\/span><em><span>U\u00a0<\/span><\/em><sub><span>pot<\/span><\/sub><span>\u00a0, y energ\u00eda cin\u00e9tica microsc\u00f3pica,\u00a0<\/span><em><span>U\u00a0<\/span><\/em><sub><span>kin<\/span><\/sub><span>\u00a0, componentes:<\/span><\/p>\n<p><strong><span>U = U\u00a0<\/span><sub><span>pot<\/span><\/sub><span>\u00a0+ U\u00a0<\/span><sub><span>kin<\/span><\/sub><\/strong><\/p>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/microscopic-energy-internal-energy.png\"><img loading=\"lazy\" class=\"alignright size-medium wp-image-16656 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/microscopic-energy-internal-energy-300x196.png\" alt=\"Energ\u00eda microsc\u00f3pica - Energ\u00eda interna\" width=\"300\" height=\"196\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/microscopic-energy-internal-energy-300x196.png\" \/><\/a><span>donde la energ\u00eda cin\u00e9tica microsc\u00f3pica, U\u00a0<\/span><sub><span>kin<\/span><\/sub><span>\u00a0, involucra los\u00a0<\/span><strong><span>movimientos<\/span><\/strong><span>\u00a0de todas las part\u00edculas del sistema con respecto al marco del centro de masa.\u00a0Para un\u00a0<\/span><strong><span>gas monoat\u00f3mico<\/span><\/strong><span>\u00a0ideal\u00a0, esto es solo la\u00a0<\/span><strong><span>energ\u00eda cin\u00e9tica traslacional<\/span><\/strong><span>\u00a0del movimiento lineal de los \u00e1tomos.\u00a0Las part\u00edculas monoat\u00f3micas no giran ni vibran.\u00a0El comportamiento del sistema est\u00e1 bien descrito por la teor\u00eda cin\u00e9tica de los gases.\u00a0La teor\u00eda cin\u00e9tica se basa en el hecho de que durante una\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/laws-of-conservation\/law-of-conservation-of-energy\/elastic-collisions\/\"><span>colisi\u00f3n el\u00e1stica<\/span><\/a><span>\u00a0entre una mol\u00e9cula con alta energ\u00eda cin\u00e9tica y otra con baja energ\u00eda cin\u00e9tica, parte de la energ\u00eda se transferir\u00e1 a la mol\u00e9cula de menor energ\u00eda cin\u00e9tica.\u00a0Sin embargo, para los\u00a0<\/span><strong><span>gases poliat\u00f3micos<\/span><\/strong><span>\u00a0hay\u00a0<\/span><strong><span>rotaci\u00f3n<\/span><\/strong><span>\u00a0y<\/span><strong><span>energ\u00eda cin\u00e9tica vibracional<\/span><\/strong><span>\u00a0tambi\u00e9n.<\/span><\/p>\n<p><span>La energ\u00eda potencial microsc\u00f3pica,\u00a0<\/span><strong><span>U\u00a0<\/span><sub><span>pot<\/span><\/sub><\/strong><span>\u00a0, involucra los\u00a0<\/span><strong><span>enlaces qu\u00edmicos<\/span><\/strong><span>\u00a0entre los \u00e1tomos que forman las mol\u00e9culas, las fuerzas de uni\u00f3n en el n\u00facleo y tambi\u00e9n los campos de fuerza f\u00edsica dentro del sistema (por ejemplo, campos el\u00e9ctricos o magn\u00e9ticos).<\/span><\/p>\n<p><span>En l\u00edquidos y s\u00f3lidos hay un componente significativo de energ\u00eda potencial asociado con\u00a0<\/span><strong><span>las fuerzas de atracci\u00f3n intermoleculares<\/span><\/strong><span>\u00a0.<\/span><\/p>\n<\/div>\n<\/div>\n<p>&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;.<\/p>\n<p>Este art\u00edculo se basa en la traducci\u00f3n autom\u00e1tica del art\u00edculo original en ingl\u00e9s. Para m\u00e1s informaci\u00f3n vea el art\u00edculo en ingl\u00e9s. Puedes ayudarnos. Si desea corregir la traducci\u00f3n, env\u00edela a: translations@nuclear-power.com o complete el formulario de traducci\u00f3n en l\u00ednea. Agradecemos su ayuda, actualizaremos la traducci\u00f3n lo antes posible. Gracias.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La energ\u00eda interna espec\u00edfica (u) de una sustancia es su energ\u00eda interna por unidad de masa.\u00a0Es una propiedad intensiva.\u00a0Es igual a la energ\u00eda interna total (U) dividida por la masa total (m).\u00a0Ingenieria termal Energ\u00eda interna espec\u00edfica La\u00a0energ\u00eda interna espec\u00edfica (u)\u00a0de una sustancia es su energ\u00eda interna por unidad de masa.\u00a0Es una\u00a0propiedad intensiva\u00a0.\u00a0Es igual a la &#8230; <a title=\"\u00bfQu\u00e9 es la energ\u00eda interna espec\u00edfica? Definici\u00f3n\" class=\"read-more\" href=\"https:\/\/www.thermal-engineering.org\/es\/que-es-la-energia-interna-especifica-definicion\/\" aria-label=\"M\u00e1s en \u00bfQu\u00e9 es la energ\u00eda interna espec\u00edfica? Definici\u00f3n\">Leer m\u00e1s<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[16],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u00bfQu\u00e9 es la energ\u00eda interna espec\u00edfica? Definici\u00f3n<\/title>\n<meta name=\"description\" content=\"La energ\u00eda interna espec\u00edfica (u) de una sustancia es su energ\u00eda interna por unidad de masa. Es una propiedad intensiva. Es igual a la energ\u00eda interna total (U) dividida por la masa total (m). 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