{"id":701,"date":"2016-11-17T22:28:50","date_gmt":"2016-11-17T21:28:50","guid":{"rendered":"http:\/\/agora.xtec.cat\/ies-santelm\/?p=701"},"modified":"2016-11-17T22:28:50","modified_gmt":"2016-11-17T21:28:50","slug":"quimica-recreativa-a-2n-deso","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/ies-santelm\/general\/quimica-recreativa-a-2n-deso\/","title":{"rendered":"Qu\u00edmica recreativa a 2n d&#8217;ESO"},"content":{"rendered":"<p><a href=\"https:\/\/goo.gl\/photos\/ucGfwQzag3AmBnrd8\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-703\" src=\"http:\/\/agora.xtec.cat\/ies-santelm\/wp-content\/uploads\/usu1365\/2016\/11\/20161114_140411_Burst07.jpg\" alt=\"20161114_140411_burst07\" width=\"1040\" height=\"585\" srcset=\"https:\/\/agora.xtec.cat\/ies-santelm\/wp-content\/uploads\/usu1365\/2016\/11\/20161114_140411_Burst07.jpg 1040w, https:\/\/agora.xtec.cat\/ies-santelm\/wp-content\/uploads\/usu1365\/2016\/11\/20161114_140411_Burst07-300x169.jpg 300w, https:\/\/agora.xtec.cat\/ies-santelm\/wp-content\/uploads\/usu1365\/2016\/11\/20161114_140411_Burst07-768x432.jpg 768w, https:\/\/agora.xtec.cat\/ies-santelm\/wp-content\/uploads\/usu1365\/2016\/11\/20161114_140411_Burst07-1024x576.jpg 1024w\" sizes=\"auto, (max-width: 1040px) 100vw, 1040px\" \/><\/a><\/p>\n<p>Una de les activitats de la Setmana de la Ci\u00e8ncia a l&#8217;INS Sant Elm ha consistit en un taller experimental centrat en l&#8217;aigua oxigenada. Els alumnes de 2n d&#8217;ESO han realitzat dues experi\u00e8ncies espectaculars en les quals es posa en evid\u00e8ncia la descomposici\u00f3 de l&#8217;aigua oxigenada per a donar aigua i oxigen. Aquesta descomposici\u00f3 es pot fer de manera molt r\u00e0pida i amb certa viol\u00e8ncia mitjan\u00e7ant catalitzadors. Vam aprofitar aquest fet per a produir gran quantitat d&#8217;escuma, afegint-hi una mica de sab\u00f3 l\u00edquid, amb la qual cosa es va produir una mena de volc\u00e0 d&#8217;escuma, semblant a un dentifrici gegant. En una altra experi\u00e8ncia, l&#8217;oxigen format sortia d&#8217;una ampolla en destapar-la, arrossegant un n\u00favol d&#8217;aigua i part\u00edcules s\u00f2lides, talment com el geni de la ll\u00e0ntia.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Una de les activitats de la Setmana de la Ci\u00e8ncia a l&#8217;INS Sant Elm ha consistit en un taller experimental centrat en l&#8217;aigua oxigenada. Els alumnes de 2n d&#8217;ESO han realitzat dues experi\u00e8ncies espectaculars en les quals es posa en evid\u00e8ncia la descomposici\u00f3 de l&#8217;aigua oxigenada per a donar aigua i oxigen. Aquesta descomposici\u00f3 es [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":703,"comment_status":"open","ping_status":"open","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":[99,100],"class_list":["post-701","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-general","category-portada","tag-ciencia","tag-setmana-de-la-ciencia"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/ies-santelm\/wp-json\/wp\/v2\/posts\/701","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/ies-santelm\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/ies-santelm\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ies-santelm\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ies-santelm\/wp-json\/wp\/v2\/comments?post=701"}],"version-history":[{"count":2,"href":"https:\/\/agora.xtec.cat\/ies-santelm\/wp-json\/wp\/v2\/posts\/701\/revisions"}],"predecessor-version":[{"id":704,"href":"https:\/\/agora.xtec.cat\/ies-santelm\/wp-json\/wp\/v2\/posts\/701\/revisions\/704"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ies-santelm\/wp-json\/wp\/v2\/media\/703"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/ies-santelm\/wp-json\/wp\/v2\/media?parent=701"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/ies-santelm\/wp-json\/wp\/v2\/categories?post=701"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/ies-santelm\/wp-json\/wp\/v2\/tags?post=701"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}