{"id":209,"date":"2015-06-25T10:19:20","date_gmt":"2015-06-25T09:19:20","guid":{"rendered":"http:\/\/127.0.0.1\/?p=209"},"modified":"2015-10-12T10:25:54","modified_gmt":"2015-10-12T09:25:54","slug":"surfusion-de-leau","status":"publish","type":"post","link":"https:\/\/www.phydeo.uliege.be\/?p=209","title":{"rendered":"Surfusion de l&rsquo;eau."},"content":{"rendered":"<p><iframe loading=\"lazy\" width=\"854\" height=\"375\" src=\"https:\/\/www.youtube.com\/embed\/_yckJd7dQ4A\" frameborder=\"0\" allowfullscreen><\/iframe><\/p>\n<p><iframe loading=\"lazy\" width=\"854\" height=\"375\" src=\"https:\/\/www.youtube.com\/embed\/XBLvht1bT4U\" frameborder=\"0\" allowfullscreen><\/iframe><\/p>\n<p>La temp\u00e9rature de l&rsquo;eau distill\u00e9e est baiss\u00e9e progressivement jusqu&rsquo;\u00e0 -5\u00b0C dans un bain d&rsquo;eau de glace et de sel.<br \/>\nMalgr\u00e9 la temp\u00e9rature n\u00e9gative l&rsquo;eau reste \u00e0 l&rsquo;\u00e9tat liquide, elle est donc en surfusion. Cette eau surfondue cong\u00e8lera instantan\u00e9ment si elle rentre en contact avec une paroi ou si on y  injecte un cristal de glace ou une poussi\u00e8re.<br \/>\nEn changeant de phase la temp\u00e9rature passe instantan\u00e9ment \u00e0 0\u00b0C, on peut donc consid\u00e9rer le ph\u00e9nom\u00e8ne comme \u00e9tant exothermique.<\/p>\n<p><a href=\"https:\/\/www.phydeo.uliege.be\/wp-content\/uploads\/2015\/06\/surfusion_eau.bmp\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.phydeo.uliege.be\/wp-content\/uploads\/2015\/06\/surfusion_eau.bmp\" alt=\"surfusion_eau\" width=\"355\" height=\"285\" class=\"aligncenter size-full wp-image-214\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>La temp\u00e9rature de l&rsquo;eau distill\u00e9e est baiss\u00e9e progressivement jusqu&rsquo;\u00e0 -5\u00b0C dans un bain d&rsquo;eau de glace et de sel. Malgr\u00e9 la temp\u00e9rature n\u00e9gative l&rsquo;eau reste \u00e0 l&rsquo;\u00e9tat liquide, elle est donc en surfusion. Cette eau surfondue cong\u00e8lera instantan\u00e9ment si elle rentre en contact avec une paroi ou si on y injecte un cristal de glace [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-209","post","type-post","status-publish","format-standard","hentry","category-thermo"],"_links":{"self":[{"href":"https:\/\/www.phydeo.uliege.be\/index.php?rest_route=\/wp\/v2\/posts\/209","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.phydeo.uliege.be\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.phydeo.uliege.be\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.phydeo.uliege.be\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.phydeo.uliege.be\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=209"}],"version-history":[{"count":7,"href":"https:\/\/www.phydeo.uliege.be\/index.php?rest_route=\/wp\/v2\/posts\/209\/revisions"}],"predecessor-version":[{"id":217,"href":"https:\/\/www.phydeo.uliege.be\/index.php?rest_route=\/wp\/v2\/posts\/209\/revisions\/217"}],"wp:attachment":[{"href":"https:\/\/www.phydeo.uliege.be\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=209"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.phydeo.uliege.be\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=209"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.phydeo.uliege.be\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=209"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}