{"id":4990,"date":"2021-12-16T16:39:41","date_gmt":"2021-12-16T15:39:41","guid":{"rendered":"https:\/\/agora.xtec.cat\/iesalfacs\/?p=4990"},"modified":"2021-12-16T19:26:47","modified_gmt":"2021-12-16T18:26:47","slug":"destil%c2%b7lacio-al-laboratori-urv-quimica","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/iesalfacs\/general\/destil%c2%b7lacio-al-laboratori-urv-quimica\/","title":{"rendered":"DESTIL\u00b7LACI\u00d3 AL LABORATORI (URV QU\u00cdMICA)"},"content":{"rendered":"<p>Podeu entrar a les fotos en aquest <a href=\"https:\/\/photos.app.goo.gl\/LuEUq7jb271KK2tt5\">enlla\u00e7<\/a>.<\/p>\n<p align=\"justify\">Avui 15 de desembre, els alumnes de 2n de Batxillerat de l\u2019Institut IES els Alfacs que cursen l\u2019assignatura de qu\u00edmica, han realitzat un taller de destil\u00b7laci\u00f3 a la Universitat Rovira i Virgili (URV) a Tarragona.<\/p>\n<p align=\"justify\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/agora.xtec.cat\/iesalfacs\/wp-content\/uploads\/usu209\/2021\/12\/20211215_102159-scaled.jpg\" width=\"455\" height=\"205\" \/><\/p>\n<p align=\"justify\">Primerament, els alumnes s&#8217;han dirigit als laboratoris de doc\u00e8ncia de la universitat on els t\u00e8cnics de laboratori els han ensenyat la instal\u00b7laci\u00f3 i els han proporcionat el material necessari de seguretat (ulleres, guants i bata de laboratori) per dur a terme l\u2019activitat.<\/p>\n<p align=\"justify\">El taller ha consistit, seguint un gui\u00f3 pr\u00e8viament impr\u00e8s, en el muntatge d&#8217;un destil\u00b7lador, que posteriorment han fet servir per destil\u00b7lar etanol (alcohol) i aigua. S&#8217;han dividit en sis grups de tres persones cada un per realitzar l\u2019activitat, i a cada un d\u2019aquest els ha correspost un percentatge d\u2019etanol diferent.<\/p>\n<p align=\"justify\">Un cop tenien la mescla d\u2019etanol i aigua agafaven diferents mostres segons el proc\u00e9s en el que es trobaven, la primera s&#8217;ha pres directament de la barreja, la segona de la destil\u00b7laci\u00f3 i la tercera directament de la mescla restant del matr\u00e0s. Seguidament, s&#8217;ha calculat el percentatge d\u2019alcohol, la densitat i la temperatura de cada mostra amb un dens\u00edmetre, i han registrat els resultats. L&#8217;\u00faltima part d\u2019aquest taller ha consistit en agafar les mostres i extreure les mateixes variables anteriors, de manera m\u00e9s precisa, amb un cromat\u00f2graf per comparar aquests resultats amb els anteriors. La majoria dels resultats es corresponien.<\/p>\n<p align=\"justify\">A l&#8217;acabar el taller, els t\u00e8cnics qu\u00edmics els han mostrat un destil\u00b7lador, m\u00e9s gran que el que es fa servir al taller de l&#8217;institut, que funcionava per la t\u00e8cnica de <i>cracking<\/i>, \u00e9s a dir, la mescla es destil\u00b7lava a diferents temperatures en diferents nivells. D&#8217;aquesta manera s&#8217;ha obtingut m\u00e9s precisi\u00f3 en els resultats.<\/p>\n<p align=\"justify\">Ha sigut una activitat molt din\u00e0mica i did\u00e0ctica que ens ha ajudat a orientar-los per als estudis universitaris futurs. S&#8217;agraeix al centre INS Alfacs per aquesta oportunitat d\u2019aprenentatge enfocada a la pr\u00e0ctica de l&#8217;assignatura de qu\u00edmica.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Podeu entrar a les fotos en aquest enlla\u00e7. Avui 15 de desembre, els alumnes de 2n de Batxillerat de l\u2019Institut IES els Alfacs que cursen l\u2019assignatura de qu\u00edmica, han realitzat un taller de destil\u00b7laci\u00f3 a la Universitat Rovira i Virgili (URV) a Tarragona. Primerament, els alumnes s&#8217;han dirigit als laboratoris de doc\u00e8ncia de la universitat [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":4993,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1,29],"tags":[],"class_list":["post-4990","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-general","category-portada"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/iesalfacs\/wp-json\/wp\/v2\/posts\/4990","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/iesalfacs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/iesalfacs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesalfacs\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesalfacs\/wp-json\/wp\/v2\/comments?post=4990"}],"version-history":[{"count":3,"href":"https:\/\/agora.xtec.cat\/iesalfacs\/wp-json\/wp\/v2\/posts\/4990\/revisions"}],"predecessor-version":[{"id":4995,"href":"https:\/\/agora.xtec.cat\/iesalfacs\/wp-json\/wp\/v2\/posts\/4990\/revisions\/4995"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesalfacs\/wp-json\/wp\/v2\/media\/4993"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/iesalfacs\/wp-json\/wp\/v2\/media?parent=4990"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesalfacs\/wp-json\/wp\/v2\/categories?post=4990"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesalfacs\/wp-json\/wp\/v2\/tags?post=4990"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}