{"id":143,"date":"2016-10-11T10:31:26","date_gmt":"2016-10-11T08:31:26","guid":{"rendered":"https:\/\/flaskman.gymgmunden.at\/?page_id=143"},"modified":"2016-10-17T21:33:22","modified_gmt":"2016-10-17T19:33:22","slug":"elephantenzahnpasta","status":"publish","type":"page","link":"https:\/\/flaskman.gymgmunden.at\/index.php\/chemieolympiade\/elephantenzahnpasta\/","title":{"rendered":"Elephantenzahnpasta"},"content":{"rendered":"<h4>Chemikalien<\/h4>\n<ul>\n<li>5 ml Sp\u00fclmittel<\/li>\n<li>50 ml H<sub>2<\/sub>O<sub>2<\/sub> &#8211; Wasserstoffperoxid<\/li>\n<li>10 g KI &#8211; Kaliumiodid<\/li>\n<li>10 ml H<sub>2<\/sub>O &#8211; Wasser<\/li>\n<\/ul>\n<h4>Durchf\u00fchrung<\/h4>\n<ol>\n<li>Stelle eine L\u00f6sung aus 10 g Kaliumiodid (KI) in 10 ml Wasser her.<\/li>\n<li>Gib 5 ml Sp\u00fclmittel in einen gro\u00dfen Standzylinder<\/li>\n<li>Leere gleichzeitig die 10 ml Kaliumiodidl\u00f6sung und die 50 ml Wasserstoffperoxid (H<sub>2<\/sub>O<sub>2<\/sub>)<\/li>\n<li>2 Sekunden warten<\/li>\n<\/ol>\n<h4>Entsorgung<\/h4>\n<p>Der Schaum kann \u00fcber den Abfluss entsorgt werden.<\/p>\n<h4>Erl\u00e4uterungen<\/h4>\n<p>Iodid (I<sup>&#8211;<\/sup>) katalysiert den Zerfall von Wasserstoffperoxid mit folgenden Reaktionsgleichungen<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-145\" src=\"https:\/\/flaskman.gymgmunden.at\/wp-content\/uploads\/2016\/10\/Capture-300x99.png\" alt=\"elefantenzahnpaste1\" width=\"300\" height=\"99\" srcset=\"https:\/\/flaskman.gymgmunden.at\/wp-content\/uploads\/2016\/10\/Capture-300x99.png 300w, https:\/\/flaskman.gymgmunden.at\/wp-content\/uploads\/2016\/10\/Capture-768x253.png 768w, https:\/\/flaskman.gymgmunden.at\/wp-content\/uploads\/2016\/10\/Capture.png 812w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>Durch eine <b>Nebenreaktion<\/b> entsteht dabei auch elementares Iod, das den Schaum gelblich f\u00e4rbt.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-147\" src=\"https:\/\/flaskman.gymgmunden.at\/wp-content\/uploads\/2016\/10\/Capture-1-300x39.png\" alt=\"capture\" width=\"300\" height=\"39\" srcset=\"https:\/\/flaskman.gymgmunden.at\/wp-content\/uploads\/2016\/10\/Capture-1-300x39.png 300w, https:\/\/flaskman.gymgmunden.at\/wp-content\/uploads\/2016\/10\/Capture-1-768x100.png 768w, https:\/\/flaskman.gymgmunden.at\/wp-content\/uploads\/2016\/10\/Capture-1.png 988w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<h4>Video<\/h4>\n<p><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/stxSJGqpjMY\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Chemikalien 5 ml Sp\u00fclmittel 50 ml H2O2 &#8211; Wasserstoffperoxid 10 g KI &#8211; Kaliumiodid 10 ml H2O &#8211; Wasser Durchf\u00fchrung Stelle eine L\u00f6sung aus 10 g Kaliumiodid (KI) in 10 ml Wasser her. Gib 5 ml Sp\u00fclmittel in einen gro\u00dfen Standzylinder Leere gleichzeitig die 10 ml Kaliumiodidl\u00f6sung und die 50 ml Wasserstoffperoxid (H2O2) 2 Sekunden [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":103,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-143","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/flaskman.gymgmunden.at\/index.php\/wp-json\/wp\/v2\/pages\/143","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/flaskman.gymgmunden.at\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/flaskman.gymgmunden.at\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/flaskman.gymgmunden.at\/index.php\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/flaskman.gymgmunden.at\/index.php\/wp-json\/wp\/v2\/comments?post=143"}],"version-history":[{"count":8,"href":"https:\/\/flaskman.gymgmunden.at\/index.php\/wp-json\/wp\/v2\/pages\/143\/revisions"}],"predecessor-version":[{"id":223,"href":"https:\/\/flaskman.gymgmunden.at\/index.php\/wp-json\/wp\/v2\/pages\/143\/revisions\/223"}],"up":[{"embeddable":true,"href":"https:\/\/flaskman.gymgmunden.at\/index.php\/wp-json\/wp\/v2\/pages\/103"}],"wp:attachment":[{"href":"https:\/\/flaskman.gymgmunden.at\/index.php\/wp-json\/wp\/v2\/media?parent=143"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}