{"id":1345,"date":"2016-04-07T12:43:08","date_gmt":"2016-04-07T11:43:08","guid":{"rendered":"http:\/\/agora.xtec.cat\/iesbde\/?p=1345"},"modified":"2016-04-07T22:29:56","modified_gmt":"2016-04-07T21:29:56","slug":"diari-duna-cristal%c2%b7litzacio-3","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/iesbde\/eso\/eso-3\/concurs\/diari-duna-cristal%c2%b7litzacio-3\/","title":{"rendered":"Diari d\u2019una cristal\u00b7litzaci\u00f3 (III)"},"content":{"rendered":"<p>9-Febrer<\/p>\n<p>Miren els cristalls obtinguts, els deixen assecar per poder-los pesar.<\/p>\n<p>11-Febrer<\/p>\n<p>Pesen els cristalls i els fan cr\u00e9ixer, afegeixen 150 mL d\u2019aigua i 75 g d\u2019ADP als 500-550 mL de les \u201caig\u00fces mares\u201d del primer cristall.<\/p>\n<p>12-Febrer<\/p>\n<p>Miren els cristalls crescuts d\u2019una llavor. Nom\u00e9s ha crescut un cristall dels set experiments, en els altres o s\u2019ha dissolt el cristall o ha caigut pel propi pes.<\/p>\n<p>Els alumnes han proposat de netejar el cristall i fer-lo cr\u00e9ixer mitjan\u00e7ant el m\u00e8tode d\u2019evaporaci\u00f3 del dissolvent; per aix\u00f2 el pesarem \u00a0, mesurarem ell seu volum i el posarem en un recipient cobrint-lo amb una soluci\u00f3 saturada. El cristal\u00b7litzador el taparem amb un paper de filtre i una goma i amb uns petits forats per controlar que la velocitat d\u2019evaporaci\u00f3 sigui lenta. Caldr\u00e0 vigilar que no es quedi sense dissoluci\u00f3 saturada.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>9-Febrer<br \/>\nMiren els cristalls obtinguts, els deixen assecar per poder-los pesar.<br \/>\n11-Febrer<br \/>\nPesen els cristalls i els fan cr\u00e9ixer, afegeixen 150 mL d\u2019aigua i 75 g d\u2019ADP als 500-550 mL de les \u201caig\u00fces mares\u201d del primer cristall.<br \/>\n12-Febrer<br \/>\nMiren els cristalls crescuts d\u2019una llavor. Nom\u00e9s ha crescut un cristall dels&hellip;  <a href=\"https:\/\/agora.xtec.cat\/iesbde\/eso\/eso-3\/concurs\/diari-duna-cristal%c2%b7litzacio-3\/\" title=\"Read Diari d\u2019una cristal\u00b7litzaci\u00f3 (III)\">Llegeix m\u00e9s\u00bb<\/a><\/p>\n","protected":false},"author":1,"featured_media":1346,"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,"footnotes":""},"categories":[133],"tags":[],"class_list":["post-1345","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-concurs"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/iesbde\/wp-json\/wp\/v2\/posts\/1345","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/iesbde\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/iesbde\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesbde\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesbde\/wp-json\/wp\/v2\/comments?post=1345"}],"version-history":[{"count":3,"href":"https:\/\/agora.xtec.cat\/iesbde\/wp-json\/wp\/v2\/posts\/1345\/revisions"}],"predecessor-version":[{"id":1365,"href":"https:\/\/agora.xtec.cat\/iesbde\/wp-json\/wp\/v2\/posts\/1345\/revisions\/1365"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesbde\/wp-json\/wp\/v2\/media\/1346"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/iesbde\/wp-json\/wp\/v2\/media?parent=1345"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesbde\/wp-json\/wp\/v2\/categories?post=1345"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesbde\/wp-json\/wp\/v2\/tags?post=1345"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}