{"id":40968,"date":"2019-09-25T14:19:22","date_gmt":"2019-09-25T13:19:22","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/que-es-el-volumen-molar-de-gases-22-4-l-mol-definicion\/"},"modified":"2021-08-04T08:31:38","modified_gmt":"2021-08-04T07:31:38","slug":"que-es-el-volumen-molar-de-gases-22-4-l-mol-definicion","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/es\/que-es-el-volumen-molar-de-gases-22-4-l-mol-definicion\/","title":{"rendered":"\u00bfQu\u00e9 es el volumen molar de gases? &#8211; 22.4 L \/ mol &#8211; Definici\u00f3n"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-clearfix\">Uno de los resultados m\u00e1s pr\u00e1cticos de la ley de Avogadro es el volumen molar de gases, Vm, que se trata de: Vm = 22.4 dm3 \/ mol.\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>Ley de avogadro<\/h2>\n<p><strong>La Ley de Avogadro<\/strong>\u00a0es una de las leyes del gas.\u00a0A principios del siglo XIX, un cient\u00edfico italiano\u00a0<strong>Lorenzo Romano Amedeo Carlo Avogadro<\/strong>\u00a0estudi\u00f3 la relaci\u00f3n entre el\u00a0<strong>volumen<\/strong>\u00a0\u00a0y la\u00a0<strong>cantidad<\/strong>\u00a0de sustancia del gas presente.\u00a0Los resultados de ciertos experimentos con gases lo llevaron a formular una conocida\u00a0<strong>Ley de Avogadro<\/strong>\u00a0.\u00a0Establece que, bajo las mismas condiciones de temperatura y presi\u00f3n, vol\u00famenes iguales de gases diferentes contienen un n\u00famero igual de mol\u00e9culas, o:<\/p>\n<p><em>Para una masa fija de un gas ideal a presi\u00f3n y temperatura constantes, el volumen y la cantidad del gas son directamente proporcionales.<\/em><\/p>\n<p>Puede expresar esto matem\u00e1ticamente como:<\/p>\n<p><em>V\u00a0<\/em><em>\u221d\u00a0<\/em><em>n<\/em><\/p>\n<p>o<\/p>\n<p><em>V = constante.\u00a0norte<\/em><\/p>\n<p>donde nR \/ V es constante y:<\/p>\n<ul>\n<li><em>n<\/em>\u00a0es la cantidad de sustancia medida en moles<\/li>\n<li><em>V<\/em>\u00a0es el volumen del gas<\/li>\n<\/ul>\n<p>la constante es igual a RT \/ p, donde\u00a0<em>p<\/em>\u00a0es la presi\u00f3n absoluta del gas,\u00a0<em>T<\/em>\u00a0es la temperatura absoluta y\u00a0<em>R<\/em>\u00a0\u00a0es la constante de gas ideal o universal, igual al producto de la constante de Boltzmann y la constante de Avogadro.<\/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>Volumen molar de gases<\/span><\/h2>\n<p><span>Uno de los resultados m\u00e1s pr\u00e1cticos de esta ley es el\u00a0<\/span><strong><span>volumen molar de un gas<\/span><\/strong><span>\u00a0,\u00a0<\/span><strong><span>V\u00a0<\/span><sub><span>m<\/span><\/sub><\/strong><span>\u00a0, que es aproximadamente:<\/span><\/p>\n<p><strong><span style=\"font-size: 25px;\"><span>V\u00a0<\/span><sub><span>m<\/span><\/sub><span>\u00a0= 22,4 dm\u00a0<\/span><sup><span>3<\/span><\/sup><span>\u00a0\/ mol<\/span><\/span><\/strong><\/p>\n<p><span>Es decir, a temperatura est\u00e1ndar (273,15 K, 0 \u00b0 C) y\u00a0<\/span><a title=\"Presi\u00f3n atmosf\u00e9rica\" href=\"https:\/\/www.nuclear-power.net\/nuclear-engineering\/thermodynamics\/thermodynamic-properties\/what-is-pressure-physics\/atmospheric-pressure\/\"><span>presi\u00f3n atmosf\u00e9rica<\/span><\/a><span>\u00a0est\u00e1ndar\u00a0(101,325 kPa), el volumen molar es el mismo para todos los gases ideales.\u00a0Tenga en cuenta que est\u00e1 bajo el supuesto de gas ideal.\u00a0Este valor depende en gran medida de la presi\u00f3n y la temperatura.\u00a0Por ejemplo:<\/span><\/p>\n<ul>\n<li><span>para 273,15 K (0 \u00b0 C) y 100,00 kPa, el volumen molar de un gas ideal es 22,71 dm\u00a0<\/span><sup><span>3<\/span><\/sup><span>\u00a0.mol\u00a0<\/span><sup><span>-1<\/span><\/sup><span>\u00a0.<\/span><\/li>\n<li><span>para 298.15 K (25 \u00b0 C) y 100.00 kPa, el volumen molar de un gas ideal es 24.79 dm\u00a0<\/span><sup><span>3<\/span><\/sup><span>\u00a0.mol\u00a0<\/span><sup><span>-1<\/span><\/sup><span>\u00a0.<\/span><\/li>\n<\/ul>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Uno de los resultados m\u00e1s pr\u00e1cticos de la ley de Avogadro es el volumen molar de gases, Vm, que se trata de: Vm = 22.4 dm3 \/ mol.\u00a0Ingenieria termal Ley de avogadro La Ley de Avogadro\u00a0es una de las leyes del gas.\u00a0A principios del siglo XIX, un cient\u00edfico italiano\u00a0Lorenzo Romano Amedeo Carlo Avogadro\u00a0estudi\u00f3 la relaci\u00f3n &#8230; <a title=\"\u00bfQu\u00e9 es el volumen molar de gases? 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