{"id":1949,"date":"2023-11-06T05:45:52","date_gmt":"2023-11-06T05:45:52","guid":{"rendered":"https:\/\/training.contentsda.kr\/?post_type=courses&#038;p=1949"},"modified":"2024-07-03T02:33:54","modified_gmt":"2024-07-03T02:33:54","slug":"molecular-diffusion-experiment","status":"publish","type":"courses","link":"https:\/\/training.contentsda.kr\/ne\/courses\/molecular-diffusion-experiment\/","title":{"rendered":"\u0906\u0923\u0935\u093f\u0915 \u092a\u094d\u0930\u0938\u093e\u0930 \u092a\u094d\u0930\u092f\u094b\u0917"},"content":{"rendered":"<p>In a phenolphthalein and ammonia diffusion experiment using cotton, a solution containing phenolphthalein, a pH indicator, and ammonia is placed on a piece of cotton. As ammonia diffuses through the cotton fibers, it causes the phenolphthalein to turn from colorless to pink or purple, demonstrating the movement of the alkaline substance through the fabric. This experiment illustrates the concept of diffusion and pH change in a visually striking way.<\/p>","protected":false},"excerpt":{"rendered":"<p>In a phenolphthalein and ammonia diffusion experiment using cotton, a solution containing phenolphthalein, a pH indicator, and ammonia is placed on a piece of cotton. As ammonia diffuses through the cotton fibers, it causes the phenolphthalein to turn from colorless to pink or purple, demonstrating the movement of the alkaline substance through the fabric. This [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1950,"template":"","course-category":[61,60],"course-tag":[63,65],"class_list":["post-1949","courses","type-courses","status-publish","has-post-thumbnail","hentry","course-category-cardboard","course-category-webgl","course-tag-chemistry","course-tag-science","pmpro-has-access"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/training.contentsda.kr\/ne\/wp-json\/wp\/v2\/courses\/1949","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/training.contentsda.kr\/ne\/wp-json\/wp\/v2\/courses"}],"about":[{"href":"https:\/\/training.contentsda.kr\/ne\/wp-json\/wp\/v2\/types\/courses"}],"author":[{"embeddable":true,"href":"https:\/\/training.contentsda.kr\/ne\/wp-json\/wp\/v2\/users\/1"}],"version-history":[{"count":1,"href":"https:\/\/training.contentsda.kr\/ne\/wp-json\/wp\/v2\/courses\/1949\/revisions"}],"predecessor-version":[{"id":1951,"href":"https:\/\/training.contentsda.kr\/ne\/wp-json\/wp\/v2\/courses\/1949\/revisions\/1951"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/training.contentsda.kr\/ne\/wp-json\/wp\/v2\/media\/1950"}],"wp:attachment":[{"href":"https:\/\/training.contentsda.kr\/ne\/wp-json\/wp\/v2\/media?parent=1949"}],"wp:term":[{"taxonomy":"course-category","embeddable":true,"href":"https:\/\/training.contentsda.kr\/ne\/wp-json\/wp\/v2\/course-category?post=1949"},{"taxonomy":"course-tag","embeddable":true,"href":"https:\/\/training.contentsda.kr\/ne\/wp-json\/wp\/v2\/course-tag?post=1949"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}