{"id":20684,"date":"2024-11-12T23:38:27","date_gmt":"2024-11-13T02:38:27","guid":{"rendered":"https:\/\/xequematenem.com.br\/blog\/?p=20684"},"modified":"2024-11-12T23:38:29","modified_gmt":"2024-11-13T02:38:29","slug":"questao-118-enem-2024","status":"publish","type":"post","link":"https:\/\/xequematenem.com.br\/blog\/questao-118-enem-2024\/","title":{"rendered":"Quest\u00e3o 118 \u2013 ENEM 2024"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">A hidroxiapatita, Ca<sub>5<\/sub>(PO<sub>4<\/sub>)<sub>3<\/sub>OH, \u00e9 um mineral constituinte do esmalte dos dentes. Entre as diversas rea\u00e7\u00f5es que ocorrem no meio bucal, encontram-se em equil\u00edbrio as rea\u00e7\u00f5es de desmineraliza\u00e7\u00e3o e mineraliza\u00e7\u00e3o da hidroxiapatita em meio aquoso, ilustradas a seguir. A desmineraliza\u00e7\u00e3o est\u00e1 associada \u00e0 fragiliza\u00e7\u00e3o do esmalte do dente e \u00e0 forma\u00e7\u00e3o de c\u00e1ries.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"476\" height=\"140\" src=\"https:\/\/xequematenem.com.br\/blog\/wp-content\/uploads\/2024\/11\/image-38.png\" alt=\"\" class=\"wp-image-20685\" style=\"width:343px;height:auto\" title=\"\" srcset=\"https:\/\/xequematenem.com.br\/blog\/wp-content\/uploads\/2024\/11\/image-38.png 476w, https:\/\/xequematenem.com.br\/blog\/wp-content\/uploads\/2024\/11\/image-38-300x88.png 300w\" sizes=\"(max-width: 476px) 100vw, 476px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">O uso de creme dental pode minimizar a perda da hidroxiapatita. O quadro apresenta o agente de polimento e o pH de alguns cremes dentais comerciais.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"488\" height=\"279\" data-src=\"https:\/\/xequematenem.com.br\/blog\/wp-content\/uploads\/2024\/11\/image-39.png\" alt=\"\" class=\"wp-image-20686 lazyload\" style=\"--smush-placeholder-width: 488px; --smush-placeholder-aspect-ratio: 488\/279;width:381px;height:auto\" title=\"\" data-srcset=\"https:\/\/xequematenem.com.br\/blog\/wp-content\/uploads\/2024\/11\/image-39.png 488w, https:\/\/xequematenem.com.br\/blog\/wp-content\/uploads\/2024\/11\/image-39-300x172.png 300w\" data-sizes=\"(max-width: 488px) 100vw, 488px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Considerando o equil\u00edbrio qu\u00edmico envolvido, qual creme dental promove a maior desmineraliza\u00e7\u00e3o do esmalte do dente?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A) I&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B) II&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C) III&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D) IV&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">E) V<\/p>\n\n\n\n<p class=\"has-text-align-center has-large-font-size wp-block-paragraph\"><strong>Solu\u00e7\u00e3o<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Segundo o Princ\u00edpio de Le Ch\u00e2telier, o aumento na concentra\u00e7\u00e3o de \u00edons H<sup>+<\/sup> desloca o equil\u00edbrio da rea\u00e7\u00e3o para a direita, favorecendo a desmineraliza\u00e7\u00e3o do esmalte dental. Assim, o creme dental com menor pH, que \u00e9 o mais \u00e1cido e possui maior concentra\u00e7\u00e3o de \u00edons H<sup>+<\/sup>, intensifica esse processo, promovendo uma maior desmineraliza\u00e7\u00e3o do dente.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Alternativa D<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A hidroxiapatita, Ca5(PO4)3OH, \u00e9 um mineral constituinte do esmalte dos dentes. Entre as diversas rea\u00e7\u00f5es que ocorrem no meio bucal, encontram-se em equil\u00edbrio as rea\u00e7\u00f5es de desmineraliza\u00e7\u00e3o e mineraliza\u00e7\u00e3o da hidroxiapatita em meio aquoso, ilustradas a seguir. A desmineraliza\u00e7\u00e3o est\u00e1 associada \u00e0 fragiliza\u00e7\u00e3o do esmalte do dente e \u00e0 forma\u00e7\u00e3o de c\u00e1ries. O uso de [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":20685,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17,151],"tags":[],"area-do-conhecimento":[116,120],"assunto":[],"class_list":["post-20684","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-questoes-do-enem","category-2024-questoes-enem-regular","area-do-conhecimento-ciencias-da-natureza-e-suas-tecnologias","area-do-conhecimento-quimica"],"_links":{"self":[{"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/posts\/20684","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/comments?post=20684"}],"version-history":[{"count":1,"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/posts\/20684\/revisions"}],"predecessor-version":[{"id":20687,"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/posts\/20684\/revisions\/20687"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/media\/20685"}],"wp:attachment":[{"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/media?parent=20684"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/categories?post=20684"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/tags?post=20684"},{"taxonomy":"area-do-conhecimento","embeddable":true,"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/area-do-conhecimento?post=20684"},{"taxonomy":"assunto","embeddable":true,"href":"https:\/\/xequematenem.com.br\/blog\/wp-json\/wp\/v2\/assunto?post=20684"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}