{"id":40956,"date":"2019-09-25T13:25:17","date_gmt":"2019-09-25T12:25:17","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/que-es-la-ley-de-gay-lussac-definicion\/"},"modified":"2021-08-03T19:31:17","modified_gmt":"2021-08-03T18:31:17","slug":"que-es-la-ley-de-gay-lussac-definicion","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/es\/que-es-la-ley-de-gay-lussac-definicion\/","title":{"rendered":"\u00bfQu\u00e9 es la Ley de Gay-Lussac? Definici\u00f3n"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-clearfix\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">La Ley de Gay-Lussac o la Ley de Presi\u00f3n es una de las leyes de los gases. <\/span><span style=\"vertical-align: inherit;\">Gay-Lussac estudi\u00f3 la relaci\u00f3n entre la presi\u00f3n y la temperatura de un gas a volumen constante. <\/span><span style=\"vertical-align: inherit;\">Ingenieria termal<\/span><\/span><\/div>\n<\/div>\n<div><\/div>\n<div>\n<h2><span>Ley de Gay-Lussac<\/span><\/h2>\n<p><strong><span>La ley de Gay-Lussac<\/span><\/strong><span>\u00a0o la\u00a0<strong>ley de<\/strong>\u00a0la\u00a0<\/span><strong><span>presi\u00f3n<\/span><\/strong><span>\u00a0es una de las leyes de los gases.\u00a0A finales del siglo XVIII y principios del XIX, fue descubierto por el qu\u00edmico franc\u00e9s\u00a0<\/span><strong><span>Joseph Louis Gay-Lussac<\/span><\/strong><span>\u00a0.\u00a0Estudi\u00f3 la relaci\u00f3n entre la\u00a0<\/span><strong><span>presi\u00f3n<\/span><\/strong><span>\u00a0y la\u00a0<\/span><strong><span>temperatura<\/span><\/strong><span>\u00a0de un gas a\u00a0<\/span><strong><span>volumen constante<\/span><\/strong><span>\u00a0.\u00a0Los resultados de ciertos experimentos con gases a presiones relativamente bajas llevaron a Joseph Louis Gay-Lussac a formular una conocida \u201c\u00a0<\/span><strong><span>Ley de la presi\u00f3n<\/span><\/strong><span>\u00a0\u201d.\u00a0Se afirma que:<\/span><\/p>\n<p><em><span>Para una masa fija de gas a volumen constante, la presi\u00f3n es directamente proporcional a la temperatura Kelvin.<\/span><\/em><\/p>\n<p><span>Eso significa que, por ejemplo, si duplica la temperatura, duplicar\u00e1 la presi\u00f3n.\u00a0Si reduce a la mitad la temperatura, reducir\u00e1 a la mitad la presi\u00f3n.<\/span><\/p>\n<p><span>Puedes expresar esto matem\u00e1ticamente como:<\/span><\/p>\n<p><strong><span style=\"font-size: 25px;\"><em><span>p = constante.\u00a0T<\/span><\/em><\/span><\/strong><\/p>\n<p><span>S\u00ed, parece ser id\u00e9ntico al proceso isoc\u00f3rico del gas ideal.\u00a0Estos resultados son totalmente consistentes con la ley de los gases ideales, que determina que la constante es igual a nR \/ V.\u00a0Si reordena la ecuaci\u00f3n pV = nRT dividiendo ambos lados por V, obtendr\u00e1:<\/span><\/p>\n<p><strong><span style=\"font-size: 25px;\"><em><span>p = nR \/ V.\u00a0T<\/span><\/em><\/span><\/strong><\/p>\n<p><span>donde nR \/ V es constante y:<\/span><\/p>\n<ul>\n<li><em><span>p<\/span><\/em><span>\u00a0es la presi\u00f3n absoluta del gas<\/span><\/li>\n<li><em><span>n<\/span><\/em><span>\u00a0es la cantidad de sustancia<\/span><\/li>\n<li><em><span>T<\/span><\/em><span>\u00a0es la temperatura absoluta<\/span><\/li>\n<li><em><span>V<\/span><\/em><span>\u00a0es el volumen<\/span><\/li>\n<li><em><span>R<\/span><\/em><span>\u00a0\u00a0es la constante de gas ideal o universal, igual al producto de la constante de Boltzmann y la constante de Avogadro,<\/span><\/li>\n<\/ul>\n<p><span>En esta ecuaci\u00f3n, el s\u00edmbolo R es una constante llamada constante universal de gas que tiene el mismo valor para todos los gases, es decir, R = 8,31 J \/ mol K.<\/span><\/p>\n<p><span>[\/ lgc_column] <div  class=\"lgc-column lgc-grid-parent lgc-grid-40 lgc-tablet-grid-40 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\"><\/div><\/div><\/span><\/p>\n<figure id=\"attachment_17321\" aria-describedby=\"caption-attachment-17321\" style=\"width: 264px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Guy-Lussac-Law.png\"><img loading=\"lazy\" class=\"wp-image-17321 size-full\" src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Guy-Lussac-Law.png\" alt=\"Ley de Guy-Lussac\" width=\"274\" height=\"301\" \/><\/a><figcaption id=\"caption-attachment-17321\" class=\"wp-caption-text\"><span>Para una masa fija de gas a volumen constante, la presi\u00f3n es directamente proporcional a la temperatura Kelvin.\u00a0Fuente: grc.nasa.gov La pol\u00edtica de derechos de autor de la NASA establece que &#8220;el material de la NASA no est\u00e1 protegido por derechos de autor a menos que se indique lo contrario&#8221;.<\/span><\/figcaption><\/figure>\n<p><span>[\/ lgc_column]<\/span><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>La Ley de Gay-Lussac o la Ley de Presi\u00f3n es una de las leyes de los gases. Gay-Lussac estudi\u00f3 la relaci\u00f3n entre la presi\u00f3n y la temperatura de un gas a volumen constante. Ingenieria termal Ley de Gay-Lussac La ley de Gay-Lussac\u00a0o la\u00a0ley de\u00a0la\u00a0presi\u00f3n\u00a0es una de las leyes de los gases.\u00a0A finales del siglo XVIII &#8230; <a title=\"\u00bfQu\u00e9 es la Ley de Gay-Lussac? Definici\u00f3n\" class=\"read-more\" href=\"https:\/\/www.thermal-engineering.org\/es\/que-es-la-ley-de-gay-lussac-definicion\/\" aria-label=\"M\u00e1s en \u00bfQu\u00e9 es la Ley de Gay-Lussac? 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 Ley de Gay-Lussac? 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