{"id":346,"date":"2023-12-02T14:56:58","date_gmt":"2023-12-02T14:56:58","guid":{"rendered":"https:\/\/www.supertal.com\/?p=346"},"modified":"2023-12-04T20:32:32","modified_gmt":"2023-12-04T20:32:32","slug":"problema-de-quimica-concentraciones-de-equilibrio-2","status":"publish","type":"post","link":"https:\/\/www.supertal.com\/?p=346","title":{"rendered":"Problema de qu\u00edmica. Concentraciones de equilibrio."},"content":{"rendered":"\n<p>He aqu\u00ed el enunciado: <strong>Si calentamos a 50\u00baC un mol de \u00e1cido ac\u00e9tico con un mol de etanol hasta alcanzar el equilibrio, vemos que se han formado 2\/3 moles de agua. Calcular: 1.- Moles presentes de cada componente en el equilibrio, 2.- Constante de equilibrio del sistema y 3.- Resolver el mismo problema partiendo de 40 g de \u00e1cido ac\u00e9tico y 34 g de etanol.<\/strong><\/p>\n\n\n\n<p>Primero vamos a plantear la reacci\u00f3n. Si tenemos en cuenta que mezclamos un \u00e1cido con un alcohol, deberemos obtener un \u00e9ster y agua. As\u00ed que el \u00e1cido ac\u00e9tico con etanol, nos deber\u00eda producir etanoato de etilo y agua.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/www.supertal.com\/wp-content\/uploads\/2023\/12\/image.png\"><img loading=\"lazy\" decoding=\"async\" width=\"426\" height=\"27\" src=\"https:\/\/www.supertal.com\/wp-content\/uploads\/2023\/12\/image.png\" alt=\"\" class=\"wp-image-347\" srcset=\"https:\/\/www.supertal.com\/wp-content\/uploads\/2023\/12\/image.png 426w, https:\/\/www.supertal.com\/wp-content\/uploads\/2023\/12\/image-300x19.png 300w\" sizes=\"(max-width: 426px) 100vw, 426px\" \/><\/a><\/figure><\/div>\n\n\n<p>Con un simple conteo, podemos ver que la reacci\u00f3n est\u00e1 ajustada, as\u00ed que seguimos&#8230;<\/p>\n\n\n\n<p>Pongamos todos los datos en una tabla:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/www.supertal.com\/wp-content\/uploads\/2023\/12\/image-1.png\"><img loading=\"lazy\" decoding=\"async\" width=\"597\" height=\"150\" src=\"https:\/\/www.supertal.com\/wp-content\/uploads\/2023\/12\/image-1.png\" alt=\"\" class=\"wp-image-348\" srcset=\"https:\/\/www.supertal.com\/wp-content\/uploads\/2023\/12\/image-1.png 597w, https:\/\/www.supertal.com\/wp-content\/uploads\/2023\/12\/image-1-300x75.png 300w\" sizes=\"(max-width: 597px) 100vw, 597px\" \/><\/a><\/figure><\/div>\n\n\n<p>Como conocemos el valor de la x, en la tercera fila calculamos los moles de cada componente. Como no sabemos el volumen, no podemos saber las concentraciones, pero no nos la pide el problema.<\/p>\n\n\n\n<p>El valor de la constante ser\u00e1:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/www.supertal.com\/wp-content\/uploads\/2023\/12\/image-2.png\"><img loading=\"lazy\" decoding=\"async\" width=\"356\" height=\"64\" src=\"https:\/\/www.supertal.com\/wp-content\/uploads\/2023\/12\/image-2.png\" alt=\"\" class=\"wp-image-349\" srcset=\"https:\/\/www.supertal.com\/wp-content\/uploads\/2023\/12\/image-2.png 356w, https:\/\/www.supertal.com\/wp-content\/uploads\/2023\/12\/image-2-300x54.png 300w\" sizes=\"(max-width: 356px) 100vw, 356px\" \/><\/a><\/figure><\/div>\n\n\n<p>Y para calcular la constante con las condiciones del apartado 3:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/www.supertal.com\/wp-content\/uploads\/2023\/12\/image-3.png\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"233\" src=\"https:\/\/www.supertal.com\/wp-content\/uploads\/2023\/12\/image-3.png\" alt=\"\" class=\"wp-image-350\" srcset=\"https:\/\/www.supertal.com\/wp-content\/uploads\/2023\/12\/image-3.png 600w, https:\/\/www.supertal.com\/wp-content\/uploads\/2023\/12\/image-3-300x117.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><\/figure><\/div>\n\n\n<p>Esta vez s\u00ed que hemos que convertir las unidades al sistema internacional. Que no se os olvide.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>He aqu\u00ed el enunciado: Si calentamos a 50\u00baC un mol de \u00e1cido ac\u00e9tico con un mol de etanol hasta alcanzar el equilibrio, vemos que se han formado 2\/3 moles de agua. Calcular: 1.- Moles presentes de cada componente en el equilibrio, 2.- Constante de equilibrio del sistema y 3.- Resolver el mismo problema partiendo de &hellip; <a href=\"https:\/\/www.supertal.com\/?p=346\" class=\"more-link\">Seguir leyendo <span class=\"screen-reader-text\">Problema de qu\u00edmica. Concentraciones de equilibrio.<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"class_list":["post-346","post","type-post","status-publish","format-standard","hentry","category-quimica"],"_links":{"self":[{"href":"https:\/\/www.supertal.com\/index.php?rest_route=\/wp\/v2\/posts\/346"}],"collection":[{"href":"https:\/\/www.supertal.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.supertal.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.supertal.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.supertal.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=346"}],"version-history":[{"count":1,"href":"https:\/\/www.supertal.com\/index.php?rest_route=\/wp\/v2\/posts\/346\/revisions"}],"predecessor-version":[{"id":351,"href":"https:\/\/www.supertal.com\/index.php?rest_route=\/wp\/v2\/posts\/346\/revisions\/351"}],"wp:attachment":[{"href":"https:\/\/www.supertal.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=346"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.supertal.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=346"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.supertal.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=346"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}