{"id":6114,"date":"2019-11-10T10:11:12","date_gmt":"2019-11-10T09:11:12","guid":{"rendered":"http:\/\/agora.xtec.cat\/ielesvinyes\/?p=6114"},"modified":"2020-02-20T09:00:44","modified_gmt":"2020-02-20T08:00:44","slug":"podem-passar-de-solid-a-gas-evitant-lestat-liquid","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/ielesvinyes\/general\/podem-passar-de-solid-a-gas-evitant-lestat-liquid\/","title":{"rendered":"Podem passar de s\u00f2lid a gas evitant l’estat l\u00edquid?"},"content":{"rendered":"

Ja el curs passat quan vam estar treballant els fen\u00f2mens atmosf\u00e8rics vam poder observar quin era el cicle de l\u2019aigua, \u00e9s a dir, quin era el cam\u00ed circular que feia l\u2019aigua en el nostre planeta. Aquest curs hem pogut recuperar aquesta informaci\u00f3 i a la vegada l\u2019hem pogut ampliar quan se\u2019ns va plantejar la pregunta: <\/span>podem passar de s\u00f2lid a gas i de gas a s\u00f2lid sense passar per l\u2019estat l\u00edquid?<\/b><\/p>\n

Quina pregunta m\u00e9s complexa i interessant a la vegada i per poder-la respondre. Ens vam posar en contacte amb la professora de biologia de l\u2019ESO, la Gl\u00f2ria. La Gl\u00f2ria ens va proposar respondre aquesta pregunta amb un experiment. Mireu, mireu\u2026.<\/span><\/p>\n

Ens va dir que hi havia alguns elements que poden passar de s\u00f2lid a gas i viceversa i un d\u2019aquests elements \u00e9s el <\/span>IODE<\/b>, aquell que ens posem a la pell quan ens hi fem ferides. Aquesta vegada per\u00f2, la Gl\u00f2ria va portar el iode en estat s\u00f2lid.<\/span><\/p>\n

La Gl\u00f2ria ens va explicar que el proc\u00e9s que feia el iode es deia <\/span>SUBLIMACI\u00d3<\/b>.<\/span><\/p>\n

Com passa amb l\u2019aigua, el iode per passar a estat gas\u00f3s cal escalfar-lo amb un fogonet i a mesura que s\u2019anava escalfant vam veure que anava apareixent un gas d\u2019un color lil\u00f3s o vermell\u00f3s, i que feia molta pudor <\/span>(la Gl\u00f2ria ens va dir que era t\u00f2xic)<\/span><\/i> i per aix\u00f2 ens vam posar mascareta i ulleres protectores si vol\u00edem estar a prop de l\u2019experiment. Quan el gas pujava xocava amb un vidre que vam posar i de cop es convertia amb un cristall de color gris\u00f3s. Efectivament, el iode passava de s\u00f2lid a gas i de gas a s\u00f2lid.\u00a0<\/span><\/p>\n

Sense adonar-nos-en vam crear cristalls de iode que despr\u00e9s vam poder mirar per la lupa binocular.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

Ja el curs passat quan vam estar treballant els fen\u00f2mens atmosf\u00e8rics vam poder observar quin era el cicle de l\u2019aigua, \u00e9s a dir, quin era el cam\u00ed circular que feia l\u2019aigua en el nostre planeta. Aquest curs hem pogut recuperar aquesta informaci\u00f3 i a la vegada l\u2019hem pogut ampliar quan se\u2019ns va plantejar la pregunta: […]<\/p>\n","protected":false},"author":6,"featured_media":6115,"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":[413,1,100,29],"tags":[],"class_list":["post-6114","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-2019-20","category-general","category-infipri","category-portada"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/ielesvinyes\/wp-json\/wp\/v2\/posts\/6114","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/ielesvinyes\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/ielesvinyes\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ielesvinyes\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ielesvinyes\/wp-json\/wp\/v2\/comments?post=6114"}],"version-history":[{"count":1,"href":"https:\/\/agora.xtec.cat\/ielesvinyes\/wp-json\/wp\/v2\/posts\/6114\/revisions"}],"predecessor-version":[{"id":6117,"href":"https:\/\/agora.xtec.cat\/ielesvinyes\/wp-json\/wp\/v2\/posts\/6114\/revisions\/6117"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ielesvinyes\/wp-json\/wp\/v2\/media\/6115"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/ielesvinyes\/wp-json\/wp\/v2\/media?parent=6114"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/ielesvinyes\/wp-json\/wp\/v2\/categories?post=6114"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/ielesvinyes\/wp-json\/wp\/v2\/tags?post=6114"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}