{"id":48513,"date":"2019-11-10T23:35:44","date_gmt":"2019-11-10T22:35:44","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/o-que-distingue-temperatura-calor-e-energia-interna-definicao\/"},"modified":"2020-01-29T13:33:02","modified_gmt":"2020-01-29T12:33:02","slug":"o-que-distingue-temperatura-calor-e-energia-interna-definicao","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-distingue-temperatura-calor-e-energia-interna-definicao\/","title":{"rendered":"O que distingue temperatura, calor e energia interna &#8211; Defini\u00e7\u00e3o"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-clearfix\">A temperatura est\u00e1 relacionada \u00e0s energias cin\u00e9ticas das mol\u00e9culas.\u00a0Energia interna refere-se \u00e0 energia total de todas as mol\u00e9culas.\u00a0Calor \u00e9 a quantidade de fluxo de energia.\u00a0Engenharia T\u00e9rmica<\/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>Distinguindo temperatura, calor e energia interna<\/h2>\n<p>Usando a teoria cin\u00e9tica, uma distin\u00e7\u00e3o clara entre essas tr\u00eas propriedades pode ser feita.<\/p>\n<ul>\n<li><a title=\"O que \u00e9 temperatura - F\u00edsica\" href=\"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-temperatura-fisica-definicao\/\"><strong>A temperatura<\/strong><\/a>\u00a0est\u00e1 relacionada \u00e0s<a title=\"O que \u00e9 energia cin\u00e9tica\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/thermodynamics\/what-is-energy-physics\/what-is-kinetic-energy\/\"><strong>\u00a0energias cin\u00e9ticas<\/strong><\/a>\u00a0das mol\u00e9culas de um material.\u00a0\u00c9 a energia cin\u00e9tica m\u00e9dia das mol\u00e9culas individuais.<\/li>\n<li><strong>Energia interna<\/strong>\u00a0refere-se \u00e0 energia total de todas as mol\u00e9culas dentro do objeto.\u00a0\u00c9 uma\u00a0<strong>propriedade extensa<\/strong>\u00a0, portanto, quando dois lingotes quentes de a\u00e7o com massa igual podem ter a mesma temperatura, mas dois deles possuem o dobro de energia interna que um.<\/li>\n<li>Finalmente,\u00a0<strong>calor<\/strong>\u00a0\u00e9 a quantidade de energia que flui de um corpo para outro espontaneamente devido \u00e0 diferen\u00e7a de temperatura.<\/li>\n<\/ul>\n<p>Deve-se adicionar, quando\u00a0existe\u00a0uma\u00a0<strong>diferen\u00e7a de temperatura<\/strong>\u00a0, o calor flui espontaneamente\u00a0<strong>do sistema mais quente para o sistema mais frio<\/strong>\u00a0.\u00a0Assim, se um cubo de a\u00e7o de 5 kg a 100 \u00b0 C for colocado em contato com um cubo de a\u00e7o de 500 kg a 20 \u00b0 C, o calor fluir\u00e1 do cubo a 300 \u00b0 C para o cubo a 20 \u00b0 C, mesmo que a energia interna do cubo de 20 \u00b0 C \u00e9 muito maior porque h\u00e1 muito mais.<\/p>\n<p>Um conceito particularmente importante \u00e9 o\u00a0<a title=\"Equil\u00edbrio t\u00e9rmico\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/thermodynamics\/thermodynamic-properties\/what-is-temperature-physics\/thermal-equilibrium\/\"><strong>equil\u00edbrio termodin\u00e2mico<\/strong><\/a>\u00a0.\u00a0Em geral, quando dois objetos s\u00e3o colocados em\u00a0<strong>contato t\u00e9rmico<\/strong>\u00a0, o\u00a0<strong>calor flui<\/strong>\u00a0entre eles\u00a0<strong>at\u00e9<\/strong>\u00a0que entrem em\u00a0<strong>equil\u00edbrio<\/strong>\u00a0um com o outro.<\/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-accordion\">\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-arrow\" data-anchor=\"References\">\n<div class=\"su-spoiler-content su-clearfix\">\n<p>&nbsp;<\/p>\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 artigo \u00e9 baseado na tradu\u00e7\u00e3o autom\u00e1tica do artigo original em ingl\u00eas. Para mais informa\u00e7\u00f5es, consulte o artigo em ingl\u00eas. Voc\u00ea pode nos ajudar. Se voc\u00ea deseja corrigir a tradu\u00e7\u00e3o, envie-a para: translations@nuclear-power.com ou preencha o formul\u00e1rio de tradu\u00e7\u00e3o on-line. Agradecemos sua ajuda, atualizaremos a tradu\u00e7\u00e3o o mais r\u00e1pido poss\u00edvel. Obrigado.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>A temperatura est\u00e1 relacionada \u00e0s energias cin\u00e9ticas das mol\u00e9culas.\u00a0Energia interna refere-se \u00e0 energia total de todas as mol\u00e9culas.\u00a0Calor \u00e9 a quantidade de fluxo de energia.\u00a0Engenharia T\u00e9rmica Distinguindo temperatura, calor e energia interna Usando a teoria cin\u00e9tica, uma distin\u00e7\u00e3o clara entre essas tr\u00eas propriedades pode ser feita. A temperatura\u00a0est\u00e1 relacionada \u00e0s\u00a0energias cin\u00e9ticas\u00a0das mol\u00e9culas de um material.\u00a0\u00c9 &#8230; <a title=\"O que distingue temperatura, calor e energia interna &#8211; Defini\u00e7\u00e3o\" class=\"read-more\" href=\"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-distingue-temperatura-calor-e-energia-interna-definicao\/\" aria-label=\"More on O que distingue temperatura, calor e energia interna &#8211; Defini\u00e7\u00e3o\">Ler mais<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[14],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>O que distingue temperatura, calor e energia interna - Defini\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"A temperatura est\u00e1 relacionada \u00e0s energias cin\u00e9ticas das mol\u00e9culas. 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