{"id":84181,"date":"2000-10-04T00:00:00","date_gmt":"2000-10-04T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/comportamiento-cra%c2%adtico-de-mezclas-la%c2%adquidas-binarias-sistemas-nitroalcano-alcohol\/"},"modified":"2000-10-04T00:00:00","modified_gmt":"2000-10-04T00:00:00","slug":"comportamiento-cra%c2%adtico-de-mezclas-la%c2%adquidas-binarias-sistemas-nitroalcano-alcohol","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/comportamiento-cra%c2%adtico-de-mezclas-la%c2%adquidas-binarias-sistemas-nitroalcano-alcohol\/","title":{"rendered":"Comportamiento cr\u00edtico de mezclas l\u00edquidas binarias: sistemas nitroalcano + alcohol"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Claudio Manuel \u00e1lvarez Cerdeiri\u00f1a <\/strong><\/h2>\n<p>Este trabajo es un estudio sobre comportamiento cr\u00edtico de mezclas l\u00edquidas binarias de no-electrolitos basado en la determinaci\u00f3n de propiedades termodin\u00e1micas en las cercan\u00edas del punto cr\u00edtico de la transici\u00f3n l\u00edquido-l\u00edquido.  gran parte de la atenci\u00f3n se centra en las propiedades de exceso puesto que son muy sensibles a los cambios cerca de la transici\u00f3n. Los sistemas objeto de estudio han sido los formados por nitroalcanos y alcoholes, algunos de los cuales presentan puntos consolutos superiores pcs en tomo a la temperatura ambiente.  se han determinado experimentalmente, densidades, coeficientes de compresibilidad isoentr\u00f3pica y capacidades calor\u00edficas a presi\u00f3n constante en todo el intervalo de composici\u00f3n, a la presi\u00f3na tmosf\u00e9rica y a las temperaturas 288.15, 293.15, 298.15 y 308.15k, as\u00ed como las curvas de equilibrio l\u00edquido-l\u00edquido ell para los sistemas con temperaturas cr\u00edticas en tomo a la ambiente.  las t\u00e9cnicas utilizadas fueron la densitometr\u00eda de tubo vibrante y el an\u00e1lisis de pulsos ultras\u00f3nicos para las densidades y los coeficientes de compresibilidad isoentr\u00f3pica y la calorimetr\u00eda diferencial de barrido para las capacidades calor\u00edficas a presi\u00f3n constante y el ell. A partir de las propiedades medidas, se han obtendio los coeficientes de dilataci\u00f3n t\u00e9rmica, los coeficientes de compresibilidad isoentr\u00f3pica y las capacidades calor\u00edficas a volumen constante para los l\u00edquidos puros y las mezclas, a la presi\u00f3 natmosf\u00e9rica y a la temperatura 298.15k. A partir de estos resultados se han obtenido las magnitudes de exceso de todas las propiedades determinadas utilizando el criterio de benson y kiyohara y se ha contrastado la metodolog\u00eda con el sistema cilcohexano + n-teradecano.  el an\u00e1lisis de los resultados se realiza en base a las ideas de griffiths y wheeler sobre el comportamiento de las derivadas de segundo orden del potencial termodin\u00e1mico en la regi\u00f3n cr\u00edtica aunque tambi\u00e9n se<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Comportamiento cr\u00edtico de mezclas l\u00edquidas binarias: sistemas nitroalcano + alcohol<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Comportamiento cr\u00edtico de mezclas l\u00edquidas binarias: sistemas nitroalcano + alcohol <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Claudio Manuel \u00e1lvarez Cerdeiri\u00f1a <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Vigo<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 10\/04\/2000<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Luis Fernando Romani Martinez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: inmaculada Paz andrade <\/li>\n<li> Pardo basin Miguel Antonio (vocal)<\/li>\n<li>Carlos Casanova roque (vocal)<\/li>\n<li>  (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Claudio Manuel \u00e1lvarez Cerdeiri\u00f1a Este trabajo es un estudio sobre comportamiento cr\u00edtico de mezclas l\u00edquidas binarias de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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