{"id":3162,"date":"2014-11-23T06:00:04","date_gmt":"2014-11-23T05:00:04","guid":{"rendered":"http:\/\/www.k-engelhardt.de\/knobeleien\/?p=3162"},"modified":"2014-09-13T20:37:51","modified_gmt":"2014-09-13T19:37:51","slug":"der-schmelzende-eiswuerfel","status":"publish","type":"post","link":"https:\/\/k-engelhardt.de\/knobeleien\/der-schmelzende-eiswuerfel\/","title":{"rendered":"Der schmelzende Eisw\u00fcrfel"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-256 alignleft\" style=\"margin: 5px;\" title=\"cat-logelei\" alt=\"\" src=\"http:\/\/www.k-engelhardt.de\/knobeleien\/wp-content\/uploads\/2012\/06\/logelei150.jpg\" width=\"150\" height=\"150\" \/>Fritz wirft zwei Eisw\u00fcrfel. in ein mit Wasser gef\u00fclltes Glas derart, dass das Wasser genau bis zum Rand des Glases reicht und die Eisw\u00fcrfel etwas herausragen. Das Wasser hat eine Temperatur von 20 Grad (Zimmertemperatur), das Eis minus 1 Grad, Wasser hat bekanntlich bei plus 4 Grad die gr\u00f6\u00dfte Dichte. Als Fritz nach einer Stunde das Zimmer wieder betritt, sind die Eisw\u00fcrfel aufgel\u00f6st.<\/p>\n<p>Wie verh\u00e4lt es sich mit dem Wasserspiegel? Ist er \u00fcber den Glasrand getreten durch das tauende Eis? Ist er gleich geblieben? Ist der Spiegel gesunken? Die Eisw\u00fcrfel haben keine messbare Temperaturver\u00e4nderung des Wassers ergeben.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Fritz wirft zwei Eisw\u00fcrfel. in ein mit Wasser gef\u00fclltes Glas derart, dass das Wasser genau bis zum Rand des Glases reicht und die Eisw\u00fcrfel etwas herausragen. Das Wasser hat eine Temperatur von 20 Grad (Zimmertemperatur), das Eis minus 1 Grad, &hellip; <a href=\"https:\/\/k-engelhardt.de\/knobeleien\/der-schmelzende-eiswuerfel\/\">Weiterlesen <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-3162","post","type-post","status-publish","format-standard","hentry","category-logeleien"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Klaus\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/k-engelhardt.de\/knobeleien\/der-schmelzende-eiswuerfel\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.0.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"de_DE\" \/>\n\t\t<meta 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