{"id":12204,"date":"2024-06-04T09:51:32","date_gmt":"2024-06-04T07:51:32","guid":{"rendered":"https:\/\/agora.xtec.cat\/esc-concepcion-arenal\/?p=12204"},"modified":"2024-06-08T10:47:33","modified_gmt":"2024-06-08T08:47:33","slug":"ph","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/esc-concepcion-arenal\/general\/ph\/","title":{"rendered":"DESCOBRINT EL pH"},"content":{"rendered":"<div>\n<p dir=\"ltr\">El dimecres passat, vam estudiar el pH. Les sigles pH signifiquen potencial d&#8217;hidrogen i podem esbrinar el pH dels productes quan estan en estat l\u00edquid. El potencial d&#8217;hidrogen es mesura amb una escala del nombre 0 fins al 14, s&#8217;anomena l&#8217;escala del pH.<\/p>\n<p dir=\"ltr\">El 7 \u00e9s neutral i, per tant, les mol\u00e8cules d&#8217;aigua no estan afectades, encara \u00e9s H\u2082O. Si el pH \u00e9s menor de 7 \u00e9s \u00e0cid perqu\u00e8 la quantitat d&#8217;hidr\u00f2gens (H) orfes \u00e9s molt elevada i aquests busquen trencar altres mol\u00e8cules per estabilitzar-se. Quan la quantitat del pH \u00e9s superior al 7 \u00e9s base, aleshores la quantitat d&#8217;OH \u00e9s major.<\/p>\n<p dir=\"ltr\">Per fer l&#8217;experiment vam fer servir aquests productes: el l\u00edquid de col llombarda bullida (la col llombarda t\u00e9 antocianines que li donen el pigment que ens ajudar\u00e0 a saber si els productes s\u00f3n \u00e0cids, neutres o bases), llimona, alcohol, sab\u00f3, bicarbonat, aigua oxigenada i vinagre.<\/p>\n<p dir=\"ltr\">Primer vam fer les hip\u00f2tesis: Qu\u00e8 passaria si barregem els ingredients anteriors amb el l\u00edquid de la col. Despr\u00e9s, vam comen\u00e7ar amb l&#8217;experiment, vam agafar set gots petits i li vam afegir una mica de l\u00edquid de la col llombarda i cada persona del grup va afegir cada un dels productes que hi havia portat la N\u00faria.<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Quan vam barrejar la col llombarda amb la llimona es va posar de color vermell.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Quan vam posar el bicarbonat es va posar de color blau.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Quan vam posar el sab\u00f3 de cos es va posar de color lila.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Quan vam posar la col\u00f2nia es va posar de color vermell.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Quan ho vam posar amb l&#8217;alcohol es va posar de color vermell.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Quan ho vam posar amb l&#8217;aigua oxigenada es va posar de color magenta.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Quan ho vam posar amb vinagre es va posar de color una mica vermell.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">Vam observar que cada producte tenia un pH diferent perqu\u00e8 van canviar de color i hem apr\u00e8s que hem d&#8217;utilitzar productes neutres perqu\u00e8 s\u00f3n els menys perjudicials per a la salut de la nostra pell.<\/p>\n<p dir=\"ltr\">M&#8217;ha agradat molt aquest experiment perqu\u00e8 al final ho vam barrejar tot i es va posar com si fos un volc\u00e0. A m\u00e9s, quan barregem un l\u00edquid vermell (\u00e0cid) i un blau (base) tornaven als neutres i \u00e9s que d&#8217;aquesta manera els hidr\u00f2gens orfes poden tornar a aparellar-se amb les seves respectives OH.<\/p>\n<p>K.D., A.F.F., i A.F.C.<\/p>\n<p style=\"text-align: center;\">Cliqueu la imatge per veure m\u00e9s fotos.<\/p>\n<\/div>\n<div><a href=\"https:\/\/photos.app.goo.gl\/fxaAZAUW6vM75Hu27\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-12225\" src=\"https:\/\/agora.xtec.cat\/esc-concepcion-arenal\/wp-content\/uploads\/usu2031\/2024\/06\/portada-2.jpg\" alt=\"\" width=\"600\" height=\"450\" srcset=\"https:\/\/agora.xtec.cat\/esc-concepcion-arenal\/wp-content\/uploads\/usu2031\/2024\/06\/portada-2.jpg 1024w, https:\/\/agora.xtec.cat\/esc-concepcion-arenal\/wp-content\/uploads\/usu2031\/2024\/06\/portada-2-300x225.jpg 300w, https:\/\/agora.xtec.cat\/esc-concepcion-arenal\/wp-content\/uploads\/usu2031\/2024\/06\/portada-2-768x576.jpg 768w, https:\/\/agora.xtec.cat\/esc-concepcion-arenal\/wp-content\/uploads\/usu2031\/2024\/06\/portada-2-200x150.jpg 200w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/div>\n<div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>El dimecres passat, vam estudiar el pH. Les sigles pH signifiquen potencial d&#8217;hidrogen i podem esbrinar el pH dels productes quan estan en estat l\u00edquid. El potencial d&#8217;hidrogen es mesura amb una escala del nombre 0 fins al 14, s&#8217;anomena l&#8217;escala del pH. El 7 \u00e9s neutral i, per tant, les mol\u00e8cules d&#8217;aigua no estan [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":12225,"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":[118,1,4,5],"tags":[],"class_list":["post-12204","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-6e","category-general","category-portada","category-primaria"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/esc-concepcion-arenal\/wp-json\/wp\/v2\/posts\/12204","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/esc-concepcion-arenal\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/esc-concepcion-arenal\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/esc-concepcion-arenal\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/esc-concepcion-arenal\/wp-json\/wp\/v2\/comments?post=12204"}],"version-history":[{"count":5,"href":"https:\/\/agora.xtec.cat\/esc-concepcion-arenal\/wp-json\/wp\/v2\/posts\/12204\/revisions"}],"predecessor-version":[{"id":12227,"href":"https:\/\/agora.xtec.cat\/esc-concepcion-arenal\/wp-json\/wp\/v2\/posts\/12204\/revisions\/12227"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/esc-concepcion-arenal\/wp-json\/wp\/v2\/media\/12225"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/esc-concepcion-arenal\/wp-json\/wp\/v2\/media?parent=12204"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/esc-concepcion-arenal\/wp-json\/wp\/v2\/categories?post=12204"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/esc-concepcion-arenal\/wp-json\/wp\/v2\/tags?post=12204"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}