{"id":8757,"date":"2024-05-14T15:15:40","date_gmt":"2024-05-14T13:15:40","guid":{"rendered":"https:\/\/www.hdebalzac.fr\/?p=8757"},"modified":"2024-05-14T15:15:40","modified_gmt":"2024-05-14T13:15:40","slug":"le-secret-des-acides-revele-les-laborantins-abil-et-la-quete-de-lion-hydronium","status":"publish","type":"post","link":"https:\/\/www.hdebalzac.fr\/index.php\/2024\/05\/14\/le-secret-des-acides-revele-les-laborantins-abil-et-la-quete-de-lion-hydronium\/","title":{"rendered":"Le secret des acides r\u00e9v\u00e9l\u00e9 : les laborantins ABIL et la qu\u00eate de l\u2019ion hydronium"},"content":{"rendered":"\n<p class=\"has-drop-cap has-medium-font-size\">Les <strong>laborantins <\/strong>de <strong>seconde professionnelle ABIL Laboratoires<\/strong> ont r\u00e9cemment plong\u00e9 dans le monde fascinant de l&rsquo;<strong>ion hydronium<\/strong> (H<sub>3<\/sub>O<sup>+<\/sup>). Cet ion est la cl\u00e9 pour comprendre les <strong>caract\u00e9ristiques<\/strong> des<em> <\/em><strong>acides<\/strong>, pr\u00e9sents partout autour de nous, des <em>bonbons acidul\u00e9s<\/em> aux <em>batteries de voitures<\/em> ! \ud83c\udf6c\ud83d\ude97<br><br><\/p>\n\n\n\n<h1 class=\"wp-block-heading\">\u00c0 la poursuite de l&rsquo;ion hydronium \ud83c\udfc3\u200d<br><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Un voyage color\u00e9 dans le monde des acides \ud83c\udf08<\/h2>\n\n\n\n<p>Gr\u00e2ce \u00e0 des indicateurs color\u00e9s comme le bleu de bromothymol et l&rsquo;h\u00e9lianthine, ils ont pu observer le virage au jaune et au rouge de ces indicateurs en solution acide. <\/p>\n\n\n\n<p><em>Une v\u00e9ritable palette de couleurs au laboratoire ! <\/em>\ud83c\udfa8<\/p>\n\n\n\n<figure class=\"wp-block-video\"><video height=\"1440\" style=\"aspect-ratio: 1440 \/ 1440;\" width=\"1440\" controls src=\"https:\/\/www.hdebalzac.fr\/wp-content\/uploads\/2024\/04\/L0-TP-Acides-Indicateurs.mp4\"><\/video><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L&rsquo;\u00e9lectrolyse : une r\u00e9action \u00e9lectrisante! \u26a1<\/h2>\n\n\n\n<p>Nos laborantins ne se sont pas arr\u00eat\u00e9s l\u00e0. Ils ont \u00e9galement r\u00e9alis\u00e9 l&rsquo;\u00e9lectrolyse d&rsquo;une solution d&rsquo;acide chlorhydrique. Et qu&rsquo;ont-ils observ\u00e9 ? Du dihydrog\u00e8ne se d\u00e9gageant \u00e0 la cathode. Ce gaz qui d\u00e9tonne au contact d&rsquo;une flamme, a r\u00e9v\u00e9l\u00e9 la pr\u00e9sence de l&rsquo;ion hydronium.<\/p>\n\n\n\n<p><em>Une exp\u00e9rience qui a fait des \u00e9tincelles ! \ud83d\udd25<\/em><\/p>\n\n\n\n<figure class=\"wp-block-video\"><video height=\"1440\" style=\"aspect-ratio: 1440 \/ 1440;\" width=\"1440\" controls src=\"https:\/\/www.hdebalzac.fr\/wp-content\/uploads\/2024\/04\/L0-TP-Acides-Electrolyse.mp4\"><\/video><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h1 class=\"wp-block-heading\">L&rsquo;acide et ses propri\u00e9t\u00e9s : un monde de r\u00e9actions \ud83c\udf0b<br><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Quand l&rsquo;acide d\u00e9vore le calcaire. \ud83d\udca8<\/h2>\n\n\n\n<p>L&rsquo;acide a encore beaucoup de secrets \u00e0 r\u00e9v\u00e9ler. Savez-vous par exemple qu&rsquo;il d\u00e9compose le calcaire en d\u00e9gageant du gaz carbonique, qui trouble l&rsquo;eau de chaux ? C&rsquo;est cette r\u00e9action chimique que l&rsquo;on rencontre lors du d\u00e9tartrage des appareils domestiques ou dans l&rsquo;effervescence de comprim\u00e9s pharmaceutiques.<\/p>\n\n\n\n<figure class=\"wp-block-video\"><video height=\"1440\" style=\"aspect-ratio: 1440 \/ 1440;\" width=\"1440\" controls src=\"https:\/\/www.hdebalzac.fr\/wp-content\/uploads\/2024\/04\/L0-TP-Acides-Calcaire.mp4\"><\/video><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L&rsquo;acide et les m\u00e9taux : une danse p\u00e9rilleuse \ud83d\udca5<\/h2>\n\n\n\n<p>Et ce n&rsquo;est pas tout : l&rsquo;acide attaque certains m\u00e9taux usuels, lib\u00e9rant du dihydrog\u00e8ne gazeux qui s&rsquo;enflamme au contact d&rsquo;une allumette.<br><em>Des r\u00e9actions qui ne manquent pas de piquant ! \ud83d\udd25<\/em><\/p>\n\n\n\n<figure class=\"wp-block-video\"><video height=\"1440\" style=\"aspect-ratio: 1440 \/ 1440;\" width=\"1440\" controls src=\"https:\/\/www.hdebalzac.fr\/wp-content\/uploads\/2024\/04\/L0-TP-Acides-Metaux.mp4\"><\/video><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Rejoignez l&rsquo;aventure, devenez les chimistes de demain ! \ud83c\udf1f\ud83d\udd2c<br><\/h1>\n\n\n\n<p>Et n\u2019oubliez pas, l\u2019ion hydronium est la star dans l\u2019univers des acides, jouant un r\u00f4le cl\u00e9 dans chaque r\u00e9action acide pour r\u00e9v\u00e9ler la nature \u00e9nergique et captivante de la chimie ! \ud83c\udfad<\/p>\n\n\n\n<p>Alors, pr\u00eats \u00e0 enfiler vos blouses et \u00e0 rejoindre l&rsquo;\u00e9quipe des laborantins ? Venez d\u00e9couvrir par vous-m\u00eame ces exp\u00e9riences et bien d&rsquo;autres encore. La chimie, c&rsquo;est passionnant, c&rsquo;est color\u00e9, c&rsquo;est explosif&#8230; et c&rsquo;est \u00e0 votre port\u00e9e ! \ud83d\ude80<br><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les laborantins de seconde professionnelle ABIL Laboratoires ont r\u00e9cemment plong\u00e9 dans le monde fascinant de l&rsquo;ion hydronium (H3O+). Cet ion est la cl\u00e9 pour comprendre les caract\u00e9ristiques des acides, pr\u00e9sents 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