{"id":7485,"date":"2020-11-15T09:47:33","date_gmt":"2020-11-15T08:47:33","guid":{"rendered":"http:\/\/agora.xtec.cat\/iesvila-seca\/?p=7485"},"modified":"2020-11-16T16:59:02","modified_gmt":"2020-11-16T15:59:02","slug":"demostrar-la-llei-de-conservacio-de-la-massa-al-laboratori","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/iesvila-seca\/general\/demostrar-la-llei-de-conservacio-de-la-massa-al-laboratori\/","title":{"rendered":"Demostrar la Llei de conservaci\u00f3 de la massa al laboratori"},"content":{"rendered":"<p style=\"text-align: center;\">\r\n\t<div class=\"slideshow_container slideshow_container_style-light\" style=\"height: 300px; \" data-slideshow-id=\"7474\" data-style-name=\"style-light\" data-style-version=\"2.3.1\" >\r\n\r\n\t\t\t\t\t<div class=\"slideshow_loading_icon\"><\/div>\r\n\t\t\r\n\t\t<div class=\"slideshow_content\" style=\"display: none;\">\r\n\r\n\t\t\t<div class=\"slideshow_view\">\r\n\t\t\t\t<div class=\"slideshow_slide 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class=\"slideshow_title\">A4364ADB-AC2C-4989-97A0-6AA33C802AEC<\/div>\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t<div style=\"clear: both;\"><\/div><\/div><div class=\"slideshow_view\">\r\n\t\t\t\t<div class=\"slideshow_slide slideshow_slide_image\">\r\n\t\t\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/agora.xtec.cat\/iesvila-seca\/wp-content\/uploads\/usu475\/2020\/11\/6503A717-93E7-44D8-8295-16EB5A1CD0C8.jpeg\" alt=\"6503A717-93E7-44D8-8295-16EB5A1CD0C8\" width=\"1280\" height=\"960\" \/>\r\n\t\t\t\t\t\t\t\t\t\t<div class=\"slideshow_description_box slideshow_transparent\">\r\n\t\t\t\t\t\t<div class=\"slideshow_title\">6503A717-93E7-44D8-8295-16EB5A1CD0C8<\/div>\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t<div style=\"clear: both;\"><\/div><\/div><div class=\"slideshow_view\">\r\n\t\t\t\t<div class=\"slideshow_slide slideshow_slide_image\">\r\n\t\t\t\t\t\t\t\t\t\t\t<img 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class=\"slideshow_title\">5FDB7D85-D8E3-487F-A440-98A1303819DB<\/div>\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t<div style=\"clear: both;\"><\/div><\/div><div class=\"slideshow_view\">\r\n\t\t\t\t<div class=\"slideshow_slide slideshow_slide_image\">\r\n\t\t\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/agora.xtec.cat\/iesvila-seca\/wp-content\/uploads\/usu475\/2020\/11\/848BCB11-8521-4543-9D76-5B1E2FC324DB.jpeg\" alt=\"848BCB11-8521-4543-9D76-5B1E2FC324DB\" width=\"1280\" height=\"960\" \/>\r\n\t\t\t\t\t\t\t\t\t\t<div class=\"slideshow_description_box slideshow_transparent\">\r\n\t\t\t\t\t\t<div class=\"slideshow_title\">848BCB11-8521-4543-9D76-5B1E2FC324DB<\/div>\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t<div style=\"clear: both;\"><\/div><\/div><div class=\"slideshow_view\">\r\n\t\t\t\t<div class=\"slideshow_slide slideshow_slide_image\">\r\n\t\t\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/agora.xtec.cat\/iesvila-seca\/wp-content\/uploads\/usu475\/2020\/11\/DEA42956-DDB3-4D47-82F6-AB2A85292AC3.jpeg\" alt=\"DEA42956-DDB3-4D47-82F6-AB2A85292AC3\" width=\"1280\" height=\"960\" \/>\r\n\t\t\t\t\t\t\t\t\t\t<div class=\"slideshow_description_box slideshow_transparent\">\r\n\t\t\t\t\t\t<div class=\"slideshow_title\">DEA42956-DDB3-4D47-82F6-AB2A85292AC3<\/div>\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t<div style=\"clear: both;\"><\/div><\/div>\r\n\t\t<\/div>\r\n\r\n\t\t<div class=\"slideshow_controlPanel slideshow_transparent\" style=\"display: none;\"><ul><li class=\"slideshow_togglePlay\" data-play-text=\"Visualitza\" data-pause-text=\"Pausa\"><\/li><\/ul><\/div>\r\n\r\n\t\t<div class=\"slideshow_button slideshow_previous slideshow_transparent\" role=\"button\" data-previous-text=\"Anterior\" style=\"display: none;\"><\/div>\r\n\t\t<div class=\"slideshow_button slideshow_next slideshow_transparent\" role=\"button\" data-next-text=\"Seg\u00fcent\" style=\"display: none;\"><\/div>\r\n\r\n\t\t<div class=\"slideshow_pagination\" style=\"display: none;\" data-go-to-text=\"V\u00e9s a la diapositiva\"><div class=\"slideshow_pagination_center\"><\/div><\/div>\r\n\r\n\t\t<!-- WordPress Slideshow Version 2.3.1 -->\r\n\r\n\t\t\t<\/div>\r\n\r\n<\/p>\n<p style=\"text-align: justify;\">Una de les lleis m\u00e9s conegudes de qu\u00edmica \u00e9s la Llei de la conservaci\u00f3 de la massa. Ens diu que en una reacci\u00f3 qu\u00edmica els grams, al comen\u00e7ament, s\u00f3n els mateixos que al final. O sigui, que la massa no es crea ni destrueix, nom\u00e9s es transforma.<br \/>\nUna cosa \u00e9s llegir-ho en el llibre i una altra ben diferent \u00e9s comprovar-ho al laboratori. Els estudiants han fet reaccionar bicarbonat i vinagre amb producci\u00f3 de di\u00f2xid de carboni. Ho han fet en recipients oberts, en un matr\u00e0s tancat amb un globus, en un pot de pl\u00e0stic i en un matr\u00e0s tancat herm\u00e8ticament amb un tap. En algun cas es mantenia la massa i en d&#8217;altres no. Els nois i noies han hagut de reflexionar si realment es compleix la llei de la massa o si per a demostrar-la hem de dissenyar un bon experiment amb el material adequat.<br \/>\nTotes les seves observacions i conclusions hauran de ser reflectides en un informe final de laboratori.<br \/>\nEn definitiva, aquesta activitat intenta promoure l&#8217;observaci\u00f3, l&#8217;an\u00e0lisi cr\u00edtica i la demostraci\u00f3 de les hip\u00f2tesis a trav\u00e9s de dades fiables de laboratori. \u00c9s a dir: aplicar el m\u00e8tode cient\u00edfic.<\/p>\n<p style=\"text-align: justify;\">Andreu Faro. Departament de ci\u00e8ncies<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Una de les lleis m\u00e9s conegudes de qu\u00edmica \u00e9s la Llei de la conservaci\u00f3 de la massa. Ens diu que en una reacci\u00f3 qu\u00edmica els grams, al comen\u00e7ament, s\u00f3n els mateixos que al final. O sigui, que la massa no es crea ni destrueix, nom\u00e9s es transforma. Una cosa \u00e9s llegir-ho en el llibre i [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":7484,"comment_status":"closed","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-7485","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\/iesvila-seca\/wp-json\/wp\/v2\/posts\/7485","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/iesvila-seca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/iesvila-seca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesvila-seca\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesvila-seca\/wp-json\/wp\/v2\/comments?post=7485"}],"version-history":[{"count":2,"href":"https:\/\/agora.xtec.cat\/iesvila-seca\/wp-json\/wp\/v2\/posts\/7485\/revisions"}],"predecessor-version":[{"id":7493,"href":"https:\/\/agora.xtec.cat\/iesvila-seca\/wp-json\/wp\/v2\/posts\/7485\/revisions\/7493"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesvila-seca\/wp-json\/wp\/v2\/media\/7484"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/iesvila-seca\/wp-json\/wp\/v2\/media?parent=7485"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesvila-seca\/wp-json\/wp\/v2\/categories?post=7485"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesvila-seca\/wp-json\/wp\/v2\/tags?post=7485"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}