{"id":134394,"date":"2025-01-28T20:12:33","date_gmt":"2025-01-28T23:12:33","guid":{"rendered":"https:\/\/vestibulares.estrategia.com\/portal\/?p=134394"},"modified":"2025-02-14T17:42:05","modified_gmt":"2025-02-14T20:42:05","slug":"oxidos-inorganicos","status":"publish","type":"post","link":"https:\/\/vestibulares.estrategia.com\/portal\/materias\/quimica\/oxidos-inorganicos\/","title":{"rendered":"\u00d3xidos Inorg\u00e2nicos: conhe\u00e7a o assunto"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Os <span id=\"urn:enhancement-aaa56b03-6597-426e-a708-fe7bc324d3f0\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/oxidos\">&oacute;xidos<\/span> apresentam como caracter&iacute;stica a presen&ccedil;a de &aacute;tomos de oxig&ecirc;nio ligados a outros elementos, mas sempre sendo compostos bin&aacute;rios, ou seja, apresentam dois elementos.&nbsp;<p class=\"wp-block-paragraph\">O <strong>&oacute;xido i&ocirc;nico<\/strong> &eacute; caracterizado pela uni&atilde;o do oxig&ecirc;nio com um metal, ou seja, &aacute;tomos que possuem a tend&ecirc;ncia de perder el&eacute;trons. J&aacute; o <strong>&oacute;xido molecular<\/strong> &eacute; caracterizado pela uni&atilde;o do oxig&ecirc;nio com um n&atilde;o metal ou ametal, ou seja, &aacute;tomos que possuem a tend&ecirc;ncia de ganhar el&eacute;trons.&nbsp;<\/p><p class=\"wp-block-paragraph\">Al&eacute;m disso, os <span id=\"urn:enhancement-48d0bd99-e2e7-45de-a254-8a570a1351b4\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/oxidos\">&oacute;xidos<\/span> s&atilde;o classificados em: &aacute;cidos, b&aacute;sicos, neutros, anf&oacute;teros, mistos e per&oacute;xidos, no decorrer desse artigo ser&atilde;o apresentados as caracter&iacute;sticas de cada um, com exemplos do dia a dia e os exemplos mais importantes para os vestibulares.<\/p><p class=\"wp-block-paragraph\">Entenda um pouco mais sobre os <span id=\"urn:enhancement-187358f7-e524-4b2d-80b2-f821d52da425\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/oxidos\">&oacute;xidos<\/span> inorg&acirc;nicos e suas principais caracter&iacute;sticas. Al&eacute;m disso, treine sua compreens&atilde;o com quest&otilde;es relacionadas ao assunto.<\/p><p class=\"wp-block-paragraph\"><div class=\"cta-medio\" style=\"background-image: url(https:\/\/vestibulares.estrategia.com\/portal\/wp-content\/uploads\/2024\/08\/curso-enem-1-estrategia-vestibulares-ctamedio.jpg);\"><h3>Pacote Enem TOP <\/h3> <p>Estude com o Estrat\u00e9gia Vestibulares<\/p><div class=\"cta-botao\"><a id=\"cta-medio\" href=\"https:\/\/vestibulares.estrategia.com\/curso\/enem-top\/\" target=\"_blank\" style=\"background:rgb(255,150,0)\">Saiba mais<\/a><\/div><\/div>\n\n\n\n<\/p><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-transparent ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">Navegue pelo conte\u00fado<\/p>\n<\/div><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/quimica\/oxidos-inorganicos\/#Nomenclatura-dos-Oxidos\" >Nomenclatura dos &Oacute;xidos<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/quimica\/oxidos-inorganicos\/#Propriedades-dos-Oxidos\" >Propriedades dos &Oacute;xidos<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/quimica\/oxidos-inorganicos\/#Oxidos-Acidos-Anidridos\" >&Oacute;xidos &Aacute;cidos (Anidridos)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/quimica\/oxidos-inorganicos\/#Oxidos-Basicos\" >&Oacute;xidos B&aacute;sicos<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/quimica\/oxidos-inorganicos\/#Oxidos-Anfoteros\" >&Oacute;xidos Anf&oacute;teros<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/quimica\/oxidos-inorganicos\/#Oxidos-Neutros\" >&Oacute;xidos Neutros<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/quimica\/oxidos-inorganicos\/#Peroxidos\" >Per&oacute;xidos<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/quimica\/oxidos-inorganicos\/#Exercicios-de-oxidos-inorganicos\" >Exerc&iacute;cios de &oacute;xidos inorg&acirc;nicos&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/quimica\/oxidos-inorganicos\/#Estude-com-o-Estrategia-Vestibulares\" >Estude com o Estrat&eacute;gia Vestibulares<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"h-nomenclatura-dos-oxidos\"><span class=\"ez-toc-section\" id=\"Nomenclatura-dos-Oxidos\"><\/span>Nomenclatura dos &Oacute;xidos<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">Para os <strong><span id=\"urn:enhancement-fa632e04-6bac-4be4-a782-be54b63808b4\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/oxidos\">&oacute;xidos<\/span> moleculares<\/strong> a nomenclatura segue a seguinte regra:<\/p><ul class=\"wp-block-list\">\n<li>Prefixo que indica a quantidade de oxig&ecirc;nios, ou seja, <strong>mono<\/strong> para um oxig&ecirc;nio, <strong>di<\/strong> para dois,<strong> tri<\/strong> para tr&ecirc;s e assim sucessivamente.<\/li>\n\n\n\n<li><strong>&oacute;xido de<\/strong>&nbsp;<\/li>\n\n\n\n<li><strong>nome do elemento<\/strong> ligado ao oxig&ecirc;nio&nbsp;<\/li>\n<\/ul><p class=\"wp-block-paragraph\">Por exemplo, o SO<sub>3<\/sub> recebe o nome de tri&oacute;xido de enxofre, j&aacute; o P<sub>2<\/sub>O<sub>5<\/sub>&nbsp; o pent&oacute;xido de dif&oacute;sforo.<\/p><p class=\"wp-block-paragraph\">J&aacute; para os <strong><span id=\"urn:enhancement-3194f92e-6843-438e-8ce9-4ac9720dee5e\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/oxidos\">&oacute;xidos<\/span> i&ocirc;nicos<\/strong>, de acordo com a nova regra da IUPAC deve-se seguir a mesma regra dos <span id=\"urn:enhancement-8dffd50b-70ef-40f4-a80a-2f147e2cf6ec\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/oxidos\">&oacute;xidos<\/span> moleculares, no entanto a nomenclatura antiga, que segue a seguinte regra:<\/p><ul class=\"wp-block-list\">\n<li>Se o elemento ligado ao oxig&ecirc;nio apresentar <strong>uma<\/strong> val&ecirc;ncia, o nome &eacute; dado por: <strong>&oacute;xido de<\/strong> e o <strong>nome do elemento<\/strong><\/li>\n<\/ul><p class=\"wp-block-paragraph\">Por exemplo, o Al<sub>2<\/sub>O<sub>3<\/sub> recebe o nome de &oacute;xido de alum&iacute;nio&nbsp;<\/p><ul class=\"wp-block-list\">\n<li>Se o elemento ligado ao oxig&ecirc;nio apresentar <strong>menor<\/strong> val&ecirc;ncia, e acrescentado o sufixo <strong>oso<\/strong><\/li>\n\n\n\n<li>Se o elemento ligado ao oxig&ecirc;nio apresentar <strong>maior<\/strong> val&ecirc;ncia, e acrescentado o sufixo <strong>ico&nbsp;<\/strong><\/li>\n<\/ul><p class=\"wp-block-paragraph\">Por exemplo,o FeO recebe o nome de &oacute;xido ferroso, j&aacute; o Fe<sub>2<\/sub>O<sub>3<\/sub> recebe o nome de &oacute;xido f&eacute;rrico.<\/p><ul class=\"wp-block-list\">\n<li>Uma outra alternativa &eacute; escrever o <strong>n&uacute;mero romano<\/strong> que indica a val&ecirc;ncia.&nbsp;<\/li>\n<\/ul><p class=\"wp-block-paragraph\">Por exemplo, o FeO recebe o nome de &oacute;xido de ferro II, j&aacute; o Fe<sub>2<\/sub>O<sub>3<\/sub> recebe o nome de &oacute;xido de ferro III.<\/p><p class=\"wp-block-paragraph\">Dica: a melhor forma de voc&ecirc; realmente ver se aprendeu &eacute; exercitando e repetindo sempre.&nbsp;<\/p><p class=\"wp-block-paragraph\">Segue um exerc&iacute;cio para treinar a nomenclatura.&nbsp;<\/p><h3 class=\"wp-block-heading\" id=\"h-exercicios-de-nomenclatura-de-oxidos-nbsp\">Exerc&iacute;cios de nomenclatura de &oacute;xidos&nbsp;<\/h3><p class=\"wp-block-paragraph\">D&ecirc; o nome dos seguintes <span id=\"urn:enhancement-fbcedc44-fd77-4f7d-83a9-8fe769951d08\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/oxidos\">&oacute;xidos<\/span>:<\/p><p class=\"wp-block-paragraph\">a) Cl<sub>2<\/sub>O<sub>7 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <\/sub><br>b) Cu<sub>2<\/sub>O&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br>c) PbO<sub>2<\/sub>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br>d) CuO&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br>e) Na<sub>2<\/sub>O<sub>2<\/sub>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br>f) N<sub>2<\/sub>O&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br>g) NO<sub>2&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/sub><br>h) N<sub>2<\/sub>O<sub>5<\/sub>&nbsp;&nbsp;&nbsp;<\/p><details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Respostas:<\/summary>\n<p class=\"wp-block-paragraph\">a) Cl2O7 = V. Hept&oacute;xido de Dicloro<br>b) Cu2O = I. &Oacute;xido de cobre I<br>c) PbO2 = VII. Di&oacute;xido de chumbo<br>d) CuO = VIII. &Oacute;xido de cobre II<br>e) Na2O2 = III. Per&oacute;xido de s&oacute;dio<br>f) N2O = II. Mon&oacute;xido de dinitrog&ecirc;nio<br>g) NO2 = VI. Di&oacute;xido de nitrog&ecirc;nio<br>h) N2O5 = IV. Pent&oacute;xido de dinitrog&ecirc;nio<\/p>\n<\/details><h2 class=\"wp-block-heading\" id=\"h-propriedades-dos-oxidos\"><span class=\"ez-toc-section\" id=\"Propriedades-dos-Oxidos\"><\/span>Propriedades dos &Oacute;xidos<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\" id=\"h-estado-fisico\">Estado f&iacute;sico<\/h3><p class=\"wp-block-paragraph\">Os <span id=\"urn:enhancement-15e75228-5fba-47c8-9d70-a46da5a29e06\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/oxidos\">&oacute;xidos<\/span>, por apresentarem enorme diversidade e versatilidade, apresentam compostos em todos os estados f&iacute;sicos da mat&eacute;ria, tanto <span id=\"urn:enhancement-c094e861-edb2-4481-8b0a-7743561bb0ee\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/solido\">s&oacute;lido<\/span>, quanto l&iacute;quido ou gasoso.&nbsp;<\/p><p class=\"wp-block-paragraph\">Por exemplo, o &oacute;xido de <span id=\"urn:enhancement-fdb1cd5d-f76f-4dce-acfc-4ba969199f3a\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/magnesio\">magn&eacute;sio<\/span> apresenta ponto de fus&atilde;o de 2800 &ordm;C, j&aacute; o di&oacute;xido de <span id=\"urn:enhancement-386be555-b137-4d68-9057-d9d1eafbc1eb\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/carbono\">carbono<\/span> apresenta ponto de fus&atilde;o de -56&ordm;C e na temperatura ambiente apresenta-se no estado gasoso.&nbsp;<\/p><h3 class=\"wp-block-heading\" id=\"h-solubilidade-em-agua-nbsp\">Solubilidade em &aacute;gua&nbsp;<\/h3><p class=\"wp-block-paragraph\">Os <span id=\"urn:enhancement-98bb10ba-5b6d-42a5-92a9-93f3ef804135\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/oxidos\">&oacute;xidos<\/span> met&aacute;licos, geralmente, reagem com a <span id=\"urn:enhancement-a3bd608f-92e5-4357-a4fa-6483e7ce8fbc\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/h2o\">&aacute;gua<\/span> para formar hidr&oacute;xidos. Com isso, os <span id=\"urn:enhancement-acf5b0bd-9e2c-4829-b332-7df6af4a3f9b\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/oxidos\">&oacute;xidos<\/span> de metais alcalinos, grupo 1, s&atilde;o sol&uacute;veis em <span id=\"urn:enhancement-22130844-f463-4000-96d0-70b2d2cc4505\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/h2o\">&aacute;gua<\/span>. J&aacute; os metais do grupo 2 tamb&eacute;m formam hidr&oacute;xidos, portanto, reagem com a <span id=\"urn:enhancement-586a0646-6d25-4daf-80e6-a5fce0967a79\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/h2o\">&aacute;gua<\/span>, no entanto, nesse grupo o &oacute;xido de ber&iacute;lio &eacute; insol&uacute;vel.&nbsp;<\/p><p class=\"wp-block-paragraph\">Quando observa-se os metais de transi&ccedil;&atilde;o, os de <strong>menor<\/strong> estado de oxida&ccedil;&atilde;o s&atilde;o <strong>insol&uacute;veis<\/strong>, j&aacute; os de <strong>maior<\/strong> estado de oxida&ccedil;&atilde;o s&atilde;o <strong>altamente sol&uacute;veis<\/strong> e formam &aacute;cidos.&nbsp; J&aacute; os <span id=\"urn:enhancement-0d378928-7310-4202-81f2-594ddf769d33\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/oxidos\">&oacute;xidos<\/span> n&atilde;o met&aacute;licos reagem com a <span id=\"urn:enhancement-0d248f2e-fe43-4a8f-81e2-a109b34649bf\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/h2o\">&aacute;gua<\/span> para formar &aacute;cidos.<\/p><h3 class=\"wp-block-heading\" id=\"h-reatividade\">Reatividade<\/h3><p class=\"wp-block-paragraph\">A reatividade dos&nbsp; <span id=\"urn:enhancement-32b70215-c00b-4ad4-9c74-7c1082133bd4\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/oxidos\">&oacute;xidos<\/span> variam de acordo com a caracter&iacute;stica desse, por exemplo o &oacute;xido &aacute;cido reage tanto com a <span id=\"urn:enhancement-c2bc3316-b195-473b-ad1b-ea874f4d5da8\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/h2o\">&aacute;gua<\/span> para formar &aacute;cido,quanto com bases para formar sal e <span id=\"urn:enhancement-0c08a0d9-0af7-4d89-a6d1-f050666906ba\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/h2o\">&aacute;gua<\/span>, j&aacute; os <span id=\"urn:enhancement-b1b20b6b-1e83-44f0-b13b-41b2f0980a24\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/oxidos\">&oacute;xidos<\/span> b&aacute;sicos reagem com &aacute;cidos tamb&eacute;m para formar sal e <span id=\"urn:enhancement-118ad847-cbf5-45bc-bbb4-167d22588185\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/h2o\">&aacute;gua<\/span>. Assim, a reatividade do &oacute;xido varia com a natureza desse.&nbsp;&nbsp;<\/p><p class=\"wp-block-paragraph\">Assim, vejamos as caracter&iacute;sticas individuais de cada &oacute;xido.<\/p><h2 class=\"wp-block-heading\" id=\"h-oxidos-acidos-anidridos\"><span class=\"ez-toc-section\" id=\"Oxidos-Acidos-Anidridos\"><\/span>&Oacute;xidos &Aacute;cidos (Anidridos)<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">Os <span id=\"urn:enhancement-82dcbe4b-c41e-4731-b937-b296b022d81c\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/oxidos\">&oacute;xidos<\/span> &aacute;cidos apresentam car&aacute;ter covalente, s&atilde;o formados por ametais, sendo eles: <span id=\"urn:enhancement-27359427-a191-4c34-9639-99b1fd0db28a\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/carbono\">carbono<\/span>, nitrog&ecirc;nio, f&oacute;sforo, oxig&ecirc;nio,enxofre, sel&ecirc;nio,fl&uacute;or, cloro, bromo, iodo e astato, e quando reagem com <span id=\"urn:enhancement-75f5e734-3e91-4795-a8a4-bc8710f256f1\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/h2o\">&aacute;gua<\/span> formam&nbsp; &aacute;cidos e ao reagir com bases formam sal e <span id=\"urn:enhancement-e5592287-073c-4294-81f0-999c4d08116a\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/h2o\">&aacute;gua<\/span>.&nbsp;<\/p><h3 class=\"wp-block-heading\" id=\"h-exemplos-importantes-nbsp\">Exemplos importantes&nbsp;<\/h3><p class=\"wp-block-paragraph\">CO<sub>2<\/sub> (di&oacute;xido de <span id=\"urn:enhancement-fccd50a9-93e4-4180-b75e-ac4954f065e7\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/carbono\">carbono<\/span> ou g&aacute;s carb&ocirc;nico) ao reagir com a <span id=\"urn:enhancement-1bd037a9-5b1d-4c57-a8ee-7764c309c718\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/h2o\">&aacute;gua<\/span> forma o H<sub>2<\/sub>CO<sub>3<\/sub> que &eacute; altamente inst&aacute;vel e retorna a forma H<sub>2<\/sub>O + CO<sub>2<\/sub> , assim, provoca o aumento do efeito estufa e est&aacute; presente na chuva, mas n&atilde;o promove a acidifica&ccedil;&atilde;o dessa.&nbsp;<\/p><p class=\"wp-block-paragraph\">SO<sub>2 <\/sub>(di&oacute;xido de enxofre) e SO<sub>3<\/sub> (tri&oacute;xido de enxofre) tamb&eacute;m ao reagirem com a umidade atmosf&eacute;rica promovem a forma&ccedil;&atilde;o da chuva &aacute;cida.&nbsp;<\/p><h2 class=\"wp-block-heading\" id=\"h-oxidos-basicos\"><span class=\"ez-toc-section\" id=\"Oxidos-Basicos\"><\/span>&Oacute;xidos B&aacute;sicos<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">Os <span id=\"urn:enhancement-a4e077b0-8586-4ec4-b655-999308c2c652\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/oxidos\">&oacute;xidos<\/span> b&aacute;sicos apresentam car&aacute;ter i&ocirc;nico, s&atilde;o formados por metais, sendo eles: alcalinos (grupo 1), alcalino-terrosos (grupo 2), metais de transi&ccedil;&atilde;o (grupos 3 a 12) e representativos ( grupos 13 a 16) e ao reagir com &aacute;cido formam sal e <span id=\"urn:enhancement-24b8697e-46ad-463d-b587-ba8f1922ed74\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/h2o\">&aacute;gua<\/span>.&nbsp;<\/p><h3 class=\"wp-block-heading\" id=\"h-exemplos-importantes-nbsp-0\">Exemplos importantes&nbsp;<\/h3><p class=\"wp-block-paragraph\">CaO (&oacute;xido de c&aacute;lcio) &eacute; conhecido popularmente como cal virgem e &eacute; utilizado na corre&ccedil;&atilde;o da acidez do solo.<\/p><p class=\"wp-block-paragraph\">Na<sub>2<\/sub>O (&oacute;xido de s&oacute;dio), ao reagir com a <span id=\"urn:enhancement-1fd3dfdc-2901-4675-9c72-d49b07fadb25\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/h2o\">&aacute;gua<\/span> forma o hidr&oacute;xido de s&oacute;dio (NaOH), conhecido popularmente como soda c&aacute;ustica, que &eacute; altamente corrosivo.&nbsp;<\/p><p class=\"wp-block-paragraph\">FeO (&oacute;xido de ferro II ou ferroso) ele pode ser obtido atrav&eacute;s da minera&ccedil;&atilde;o, o que pode causar impactos negativos, mas tamb&eacute;m s&atilde;o utilizados como fertilizantes, o que traz impactos positivos ao meio ambiente.&nbsp;<\/p><h2 class=\"wp-block-heading\" id=\"h-oxidos-anfoteros\"><span class=\"ez-toc-section\" id=\"Oxidos-Anfoteros\"><\/span>&Oacute;xidos Anf&oacute;teros<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">Os <span id=\"urn:enhancement-d1ee89ac-cd2e-4672-a17b-115085330834\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/oxidos\">&oacute;xidos<\/span> anf&oacute;teros, assim como o nome diz, apresentam tanto caracter&iacute;stica de &oacute;xido &aacute;cido quanto caracter&iacute;stica de &oacute;xido b&aacute;sico. Ou seja, se esse &oacute;xido estiver na presen&ccedil;a de um &aacute;cido, ele se comporta como base e vice-versa.&nbsp;<\/p><h3 class=\"wp-block-heading\" id=\"h-exemplos-importantes-nbsp-1\">Exemplos importantes&nbsp;<\/h3><p class=\"wp-block-paragraph\">Al<sub>2<\/sub>O<sub>3<\/sub> (&oacute;xido de alum&iacute;nio) est&aacute; presente em componentes el&eacute;tricos e eletr&ocirc;nicos e como barreira t&eacute;rmica em equipamentos da ind&uacute;stria sider&uacute;rgica.&nbsp;<\/p><p class=\"wp-block-paragraph\">ZnO (oxido de zinco) est&aacute; presente em semicondutores, c&eacute;lulas solares, al&eacute;m de cremes, antiss&eacute;pticos utilizados em cosm&eacute;ticos, pigmentos de tintas e na ind&uacute;stria aliment&iacute;cia.<\/p><h2 class=\"wp-block-heading\" id=\"h-oxidos-neutros\"><span class=\"ez-toc-section\" id=\"Oxidos-Neutros\"><\/span>&Oacute;xidos Neutros<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">Os <span id=\"urn:enhancement-b66c7f92-edd6-46e4-bcdb-3e83c31a2ee6\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/oxidos\">&oacute;xidos<\/span> neutros apresentam como caracter&iacute;stica importante a in&eacute;rcia, ou seja, a&nbsp; aus&ecirc;ncia de rea&ccedil;&atilde;o com <span id=\"urn:enhancement-a0dc5e46-307d-41f0-9158-05fdb8d00c0c\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/h2o\">&aacute;gua<\/span>, &aacute;cidos e bases, s&atilde;o formados por ametais e apresentam car&aacute;ter covalente.&nbsp;<\/p><h3 class=\"wp-block-heading\" id=\"h-exemplos-importantes-nbsp-2\">Exemplos importantes&nbsp;<\/h3><p class=\"wp-block-paragraph\">CO (mon&oacute;xido de <span id=\"urn:enhancement-5aef0d7a-ed5a-4b51-abaf-78c028a82b81\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/carbono\">carbono<\/span>) &eacute; utilizado na produ&ccedil;&atilde;o de metais, pl&aacute;sticos, &aacute;cido ac&eacute;tico (vinagre), &aacute;cido f&oacute;rmico, obten&ccedil;&atilde;o do hidrog&ecirc;nio a partir da <span id=\"urn:enhancement-c620f342-a7fd-409c-8bd6-4d920d6369d8\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/h2o\">&aacute;gua<\/span> e foi utilizado nas c&acirc;maras de g&aacute;s na Segunda Guerra Mundial.&nbsp;<\/p><p class=\"wp-block-paragraph\">NO (&oacute;xido n&iacute;trico) &eacute; um vasodilatador, aumentando o fluxo sangu&iacute;neo, assim, &eacute; usado em diversos medicamentos para tratar doen&ccedil;as cardiovasculares, respirat&oacute;rias, musculares e dos rec&eacute;m-nascidos.<\/p><h2 class=\"wp-block-heading\" id=\"h-peroxidos\"><span class=\"ez-toc-section\" id=\"Peroxidos\"><\/span>Per&oacute;xidos<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">Os per&oacute;xidos apresentam como caracter&iacute;stica a presen&ccedil;a de dois &aacute;tomos de oxig&ecirc;nio, que ligam entre si, al&eacute;m disso, s&atilde;o formados pelo hidrog&ecirc;nio e metais alcalinos e alcalino-terrosos.&nbsp;&nbsp;<\/p><h3 class=\"wp-block-heading\" id=\"h-exemplos-importantes-nbsp-3\">Exemplos importantes&nbsp;<\/h3><p class=\"wp-block-paragraph\">H<sub>2<\/sub>O<sub>2<\/sub> (<span id=\"urn:enhancement-69f570b4-8b56-42c1-aef7-8c8eb700bcd7\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/peroxido-de-hidrogenio\">per&oacute;xido de hidrog&ecirc;nio<\/span> ou <span id=\"urn:enhancement-832e8fe3-5b54-4e06-b670-90fec96ce328\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/h2o\">&aacute;gua<\/span> oxigenada) &eacute; um antiss&eacute;ptico e desinfetante, ent&atilde;o &eacute; usado em limpeza de feridas, desinfec&ccedil;&atilde;o de superf&iacute;cie. Al&eacute;m disso, o <span id=\"urn:enhancement-2b1ca58a-779a-4bd7-921e-30e56447b184\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/peroxido-de-hidrogenio\">per&oacute;xido de hidrog&ecirc;nio<\/span> &eacute; muito utilizado em tintura de cabelo ou descolora&ccedil;&atilde;o por promover a abertura das cut&iacute;culas capilares e despigmentar o fio de cabelo.&nbsp;&nbsp;<\/p><h2 class=\"wp-block-heading\" id=\"h-exercicios-de-oxidos-inorganicos-nbsp\"><span class=\"ez-toc-section\" id=\"Exercicios-de-oxidos-inorganicos\"><\/span>Exerc&iacute;cios de &oacute;xidos inorg&acirc;nicos&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\" id=\"h-exercicio-de-fixacao-nbsp\">Exerc&iacute;cio de fixa&ccedil;&atilde;o&nbsp;<\/h3><p class=\"wp-block-paragraph\">Relacione a coluna da esquerda com a da direita, de acordo com o &oacute;xido e sua classifica&ccedil;&atilde;o:<\/p><p class=\"wp-block-paragraph\">1. &Oacute;xido duplo&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; (&nbsp; &nbsp; ) Al<sub>2<\/sub>O<sub>3<\/sub> &ndash; &oacute;xido de alum&iacute;nio<br>2. &Oacute;xido b&aacute;sico &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; (&nbsp; &nbsp; ) NO &ndash; &oacute;xido de nitrog&ecirc;nio<br>3. &Oacute;xido anf&oacute;tero&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; (&nbsp; &nbsp; ) Cl<sub>2<\/sub>O &ndash; &oacute;xido de cloro<br>4. &Oacute;xido neutro &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; (&nbsp; &nbsp; )&nbsp; H<sub>2<\/sub>O<sub>2<\/sub> &ndash; <span id=\"urn:enhancement-40d13b96-e8ad-42d4-b0c8-82589ac9d76c\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/peroxido-de-hidrogenio\">per&oacute;xido de hidrog&ecirc;nio<\/span><br>5. Per&oacute;xido&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; (&nbsp; &nbsp; )&nbsp; Mn<sub>3<\/sub>O<sub>4<\/sub> &ndash; &oacute;xido de <span id=\"urn:enhancement-d2e125ab-a8ca-4207-ad24-c5ba5ae493d9\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/magnesio\">mangan&ecirc;s<\/span><br>6. &Oacute;xido &aacute;cido &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; (&nbsp; &nbsp; ) BaO<sub>2<\/sub> &ndash; &oacute;xido de b&aacute;rio<\/p><details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Respostas:<\/summary>\n<p class=\"wp-block-paragraph\">( 3 ) Al<sub>2<\/sub>O<sub>3<\/sub> &ndash; &oacute;xido de alum&iacute;nio<br>( 4 ) NO &ndash; &oacute;xido de nitrog&ecirc;nio<br>( 6 ) Cl<sub>2<\/sub>O &ndash; &oacute;xido de cloro<br>( 5 )&nbsp; H<sub>2<\/sub>O<sub>2<\/sub> &ndash; <span id=\"urn:enhancement-7c489e8a-d020-48ee-8e04-9e6e9559ca3e\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/peroxido-de-hidrogenio\">per&oacute;xido de hidrog&ecirc;nio<\/span><br>( 1 )&nbsp; Mn<sub>3<\/sub>O<sub>4<\/sub> &ndash; &oacute;xido de <span id=\"urn:enhancement-1625dace-59f7-498a-ac07-c1c72aeaec51\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/magnesio\">mangan&ecirc;s<\/span><br>( 2 ) BaO<sub>2<\/sub> &ndash; &oacute;xido de b&aacute;rio<\/p>\n<\/details><h3 class=\"wp-block-heading\" id=\"h-enem-2023\">Enem (2023)<\/h3><p class=\"wp-block-paragraph\">Solos &aacute;cidos apresentam baixo valor de pH, e o plantio de culturas nesse meio acarreta baixa produ&ccedil;&atilde;o agr&iacute;cola. Entretanto, esse problema pode ser contornado adicionando-se <span id=\"urn:enhancement-e1ebccfa-c30b-4e8f-b00f-61986daf205d\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/substancia\">subst&acirc;ncias<\/span> que, ao entrarem em contato com a <span id=\"urn:enhancement-d7968333-a753-48e2-8cfd-c488133fa494\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/h2o\">&aacute;gua<\/span>, liberam <span id=\"urn:enhancement-e4833941-d4e8-42b3-aa1c-0070bad99d19\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/ions\">&iacute;ons<\/span> <span id=\"urn:enhancement-0edbe1d3-60fc-419c-876a-7a8e579436c6\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/hidroxila\">OH<\/span>&minus;, que neutralizam os <span id=\"urn:enhancement-58ef27f9-7468-4ede-a0f1-2d1262c6567b\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/ions\">&iacute;ons<\/span> H3 O+ presentes no solo e elevam o seu pH. Para esse objetivo, um agricultor tem comercialmente &agrave; disposi&ccedil;&atilde;o as esp&eacute;cies qu&iacute;micas enumeradas:<\/p><p class=\"wp-block-paragraph\">I &ndash; KCl &nbsp; II &ndash; MgO &nbsp; III &ndash; NH<sub>4<\/sub>Br &nbsp; IV &ndash; AlCl<sub>3<\/sub> &nbsp; V &ndash; P<sub>2<\/sub>O<sub>5<\/sub><\/p><p class=\"wp-block-paragraph\">Para a corre&ccedil;&atilde;o do pH desse solo, o agricultor dever&aacute; utilizar a esp&eacute;cie <span id=\"urn:enhancement-99591e59-2e9d-4305-a3f8-cb4184e989ee\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/quimica\">qu&iacute;mica<\/span> indicada pelo n&uacute;mero&nbsp;<\/p><p class=\"wp-block-paragraph\">A) I.<br>B) II.<br>C) III.<br>D) IV.<br>E) V.<\/p><details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Resposta:<\/summary>\n<p class=\"wp-block-paragraph\">Alternativa <strong>B<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Coment&aacute;rios:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Para corrigir o pH de solos &aacute;cidos, &eacute; necess&aacute;rio adicionar <span id=\"urn:enhancement-a3e5da60-07e9-436b-8473-215bef4b472a\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/substancia\">subst&acirc;ncias<\/span> que liberem <span id=\"urn:enhancement-4a54c64f-7cb8-415e-bd08-cbf893bcfa9e\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/ions\">&iacute;ons<\/span> <span id=\"urn:enhancement-d385d5e7-feda-4b5d-91c6-7a0ebf99a381\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/hidroxila\">OH<\/span>&#8315; (hidr&oacute;xido) ao entrarem em contato com a <span id=\"urn:enhancement-1e0e0142-62c3-4c82-9106-bc04c3f4bb25\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/h2o\">&aacute;gua<\/span>, neutralizando assim os <span id=\"urn:enhancement-e3105810-5595-4e1f-a672-fe490d215930\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/ions\">&iacute;ons<\/span> H&#8323;O&#8314; (hidr&ocirc;nio) presentes no solo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">I) KCl (cloreto de pot&aacute;ssio): KCl &eacute; um sal neutro que, ao se dissolver em <span id=\"urn:enhancement-d81934b2-47bc-4fbd-b255-553c227a7ba3\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/h2o\">&aacute;gua<\/span>, n&atilde;o libera <span id=\"urn:enhancement-be2450e7-28fb-4113-9944-77b10530ccd1\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/ions\">&iacute;ons<\/span> <span id=\"urn:enhancement-3f9401a5-f96a-48b8-a751-28b21574d011\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/hidroxila\">OH<\/span>&#8315;. Portanto, n&atilde;o &eacute; adequado para aumentar o pH do solo.<br>II) MgO (&oacute;xido de <span id=\"urn:enhancement-100223d8-a287-4776-86a0-1e46571ca51b\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/magnesio\">magn&eacute;sio<\/span>): MgO &eacute; um &oacute;xido b&aacute;sico que, ao reagir com a <span id=\"urn:enhancement-9277743e-0d38-48e7-820e-734ef663c989\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/h2o\">&aacute;gua<\/span>, forma Mg(<span id=\"urn:enhancement-80a7afc6-9315-49a8-9af9-46f63a74650d\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/hidroxila\">OH<\/span>)&#8322; (hidr&oacute;xido de <span id=\"urn:enhancement-9b7279ea-aac3-4edd-9a8d-bec468eecb2c\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/magnesio\">magn&eacute;sio<\/span>), que libera <span id=\"urn:enhancement-2448b241-ce67-42c3-8f6a-45fc03053a18\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/ions\">&iacute;ons<\/span> <span id=\"urn:enhancement-487b2999-76bd-4ae1-ac1e-68b71a8acecf\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/hidroxila\">OH<\/span>&#8315;. Portanto, &eacute; adequado para aumentar o pH do solo.<br>III) NH&#8324;Br (brometo de am&ocirc;nio): NH&#8324;Br &eacute; um sal que, ao se dissolver em <span id=\"urn:enhancement-7a8c72d5-5026-496d-a393-dda1c9b29697\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/h2o\">&aacute;gua<\/span>, n&atilde;o libera <span id=\"urn:enhancement-d2263273-e425-49e3-a6f6-a2cfca079118\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/ions\">&iacute;ons<\/span> <span id=\"urn:enhancement-7caa5b3c-cf31-4815-aa29-552a13c7e5c1\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/hidroxila\">OH<\/span>&#8315;.<br>IV) AlCl&#8323; (cloreto de alum&iacute;nio): AlCl&#8323; &eacute; um sal que, ao se dissolver em <span id=\"urn:enhancement-a9346ba6-949a-4dec-9d17-cd2251e8a94d\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/h2o\">&aacute;gua<\/span>, pode formar solu&ccedil;&otilde;es &aacute;cidas devido &agrave; hidr&oacute;lise do <span id=\"urn:enhancement-d113e17c-db28-41c3-ad06-f6aa9d455a3c\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/ions\">&iacute;on<\/span> Al&sup3;&#8314;.<br>V) P&#8322;O&#8325; (pent&oacute;xido de f&oacute;sforo): P&#8322;O&#8325; &eacute; um &oacute;xido &aacute;cido que, ao reagir com a <span id=\"urn:enhancement-4f187d8f-5f7c-4f49-b048-a2abcc7bf0c6\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/h2o\">&aacute;gua<\/span>, forma &aacute;cido fosf&oacute;rico (H&#8323;PO&#8324;).<\/p>\n<\/details><h2 class=\"wp-block-heading\" id=\"h-estude-com-o-estrategia-vestibulares\"><span class=\"ez-toc-section\" id=\"Estude-com-o-Estrategia-Vestibulares\"><\/span>Estude com o Estrat&eacute;gia Vestibulares<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">No curso preparat&oacute;rio da Coruja, voc&ecirc; poder&aacute; aprender com profundidade todas as mat&eacute;rias, incluindo, portanto, as ci&ecirc;ncias da natureza, que s&atilde;o pontos de grande interesse para os vestibulandos.&nbsp;<\/p><p class=\"wp-block-paragraph\">Al&eacute;m disso, o Estrat&eacute;gia fornece aulas, simulados e trilhas estrat&eacute;gicas que te ajudam na programa&ccedil;&atilde;o e avalia&ccedil;&atilde;o do conhecimento em todas as disciplinas mais importantes para todos os vestibulares nacionais. 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