{"id":8481,"date":"2022-12-17T09:13:04","date_gmt":"2022-12-17T08:13:04","guid":{"rendered":"https:\/\/agora.xtec.cat\/ies-viladegracia\/?p=8481"},"modified":"2022-12-17T09:13:39","modified_gmt":"2022-12-17T08:13:39","slug":"fer-sabo-a-partir-doli-usat","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/ies-viladegracia\/portada\/fer-sabo-a-partir-doli-usat\/","title":{"rendered":"Fer sab\u00f3 a partir d&#8217;oli usat"},"content":{"rendered":"<p>Durant la Setmana de la Ci\u00e8ncia, els alumnes de 1r de Batxillerat de Biologia van fabricar sab\u00f3 a\u00a0partir d\u2019oli usat; d\u2019aquesta manera van convertir aquest residu en un recurs.<\/p>\n<p>Tamb\u00e9 es va conscienciar l\u2019alumnat sobre el perill d\u2019abocar l\u2019oli a l\u2019aig\u00fcera contaminant aix\u00ed l\u2019aigua: 1l d\u2019oli pot contaminar 1000l d\u2019aigua i cobrir una superf\u00edcie d\u2019aigua de 200 m2. A la vegada es van reproduir pr\u00e0ctiques\u00a0 passades de les nostres \u00e0vies; fins fa ben poc el sab\u00f3 nom\u00e9s es produ\u00efa amb olis usats i grasses. Es va aprofitar aquesta pr\u00e0ctica per explicar la reacci\u00f3 saponificaci\u00f3. En el cas del sab\u00f3 es barreja oli (\u00e0cids grassos) amb sosa c\u00e0ustica (una base forta) per provocar una reacci\u00f3 i obtenir el sab\u00f3 (una sal). El sab\u00f3 resultant es pot utilitzar a casa per llevar taques de la roba a la rentadora i per rentar plats pr\u00e8viament ratllat.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Durant la Setmana de la Ci\u00e8ncia, els alumnes de 1r de Batxillerat de Biologia van fabricar sab\u00f3 a\u00a0partir d\u2019oli usat; d\u2019aquesta manera van convertir aquest residu en un recurs.<br \/>\nTamb\u00e9 es va conscienciar l\u2019alumnat sobre el perill d\u2019abocar l\u2019oli a l\u2019aig\u00fcera contaminant aix\u00ed l\u2019aigua: 1l d\u2019oli&hellip;  <a href=\"https:\/\/agora.xtec.cat\/ies-viladegracia\/portada\/fer-sabo-a-partir-doli-usat\/\" title=\"Read Fer sab\u00f3 a partir d&#8217;oli usat\">Llegeix m\u00e9s\u00bb<\/a><\/p>\n","protected":false},"author":7,"featured_media":8482,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[201,29],"tags":[],"class_list":["post-8481","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-biologia-i-geologia","category-portada"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/ies-viladegracia\/wp-json\/wp\/v2\/posts\/8481","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/ies-viladegracia\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/ies-viladegracia\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ies-viladegracia\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ies-viladegracia\/wp-json\/wp\/v2\/comments?post=8481"}],"version-history":[{"count":1,"href":"https:\/\/agora.xtec.cat\/ies-viladegracia\/wp-json\/wp\/v2\/posts\/8481\/revisions"}],"predecessor-version":[{"id":8483,"href":"https:\/\/agora.xtec.cat\/ies-viladegracia\/wp-json\/wp\/v2\/posts\/8481\/revisions\/8483"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ies-viladegracia\/wp-json\/wp\/v2\/media\/8482"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/ies-viladegracia\/wp-json\/wp\/v2\/media?parent=8481"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/ies-viladegracia\/wp-json\/wp\/v2\/categories?post=8481"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/ies-viladegracia\/wp-json\/wp\/v2\/tags?post=8481"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}