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      <title>Transformações químicas by Gabriel Lima</title>
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      <description>Você sabe o que é uma reação química?</description>
      <language>en-us</language>
      <pubDate>2020-07-06 17:17:18 UTC</pubDate>
      <lastBuildDate>2026-03-08 17:29:09 UTC</lastBuildDate>
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         <title>Definição</title>
         <author>GabrielThermopolis</author>
         <link>https://padlet.com/gabrielthermopolis/e74ui6tz89ru6yzb/wish/648501979</link>
         <description><![CDATA[<div><mark>Transformações </mark>(ou <mark>reações</mark>) químicas são processos nos quais são formadas novas substâncias (chamadas de <mark>produtos</mark>) a partir de uma ou mais substâncias iniciais (chamadas de <mark>reagentes</mark>).</div>]]></description>
         <pubDate>2020-07-06 17:33:03 UTC</pubDate>
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         <title>Produto e Reagente</title>
         <author>GabrielThermopolis</author>
         <link>https://padlet.com/gabrielthermopolis/e74ui6tz89ru6yzb/wish/648504606</link>
         <description><![CDATA[<div><strong><mark>CH</mark></strong><strong><mark><sub>4(g)</sub></mark></strong><strong><mark> + 2O</mark></strong><strong><mark><sub>2(g)</sub></mark></strong><strong> → </strong><strong><mark>CO</mark></strong><strong><mark><sub>2(g)</sub></mark></strong><strong><mark> + 2H</mark></strong><strong><mark><sub>2</sub></mark></strong><strong><mark>O</mark></strong><strong><mark><sub>(l)</sub></mark></strong><mark><br></mark><br><mark>Reagentes:</mark> substâncias à esquerda da seta de reação.<br><mark>Produtos:</mark> substâncias à direita da seta de reação.</div>]]></description>
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         <pubDate>2020-07-06 17:36:47 UTC</pubDate>
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         <title></title>
         <author>GabrielThermopolis</author>
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         <pubDate>2020-07-06 17:42:30 UTC</pubDate>
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         <title>Aspectos exatos de uma reação</title>
         <author>GabrielThermopolis</author>
         <link>https://padlet.com/gabrielthermopolis/e74ui6tz89ru6yzb/wish/648512181</link>
         <description><![CDATA[<div>As <mark>novas substâncias</mark> formadas possuem características <mark>totalmente</mark> diferentes das substâncias que as formaram, tais como: <mark>diferentes pontos de fusão, de ebulição, de sublimação, de congelamento, massa molar, solubilidade em água</mark>, etc.</div>]]></description>
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         <pubDate>2020-07-06 17:46:03 UTC</pubDate>
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         <title>Aspectos não exatos de uma reação</title>
         <author>GabrielThermopolis</author>
         <link>https://padlet.com/gabrielthermopolis/e74ui6tz89ru6yzb/wish/648514582</link>
         <description><![CDATA[<div>As reações químicas <mark>podem</mark> apresentar mudanças a olho nu, como <mark>mudança de cor, presença de chama, liberação de gás e formação de sólido</mark>, entretanto, esses quatro aspectos não definem <mark>exatamente</mark> que se trata de uma transformação química, pois há reações que <mark>não apresentam</mark> mudanças tão perceptíveis e visíveis a olho nu.</div>]]></description>
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         <pubDate>2020-07-06 17:49:09 UTC</pubDate>
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         <title></title>
         <author>GabrielThermopolis</author>
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         <pubDate>2020-07-06 17:52:36 UTC</pubDate>
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         <title></title>
         <author>GabrielThermopolis</author>
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         <pubDate>2020-07-06 17:53:28 UTC</pubDate>
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         <title></title>
         <author>GabrielThermopolis</author>
         <link>https://padlet.com/gabrielthermopolis/e74ui6tz89ru6yzb/wish/648521838</link>
         <description><![CDATA[]]></description>
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         <pubDate>2020-07-06 17:57:18 UTC</pubDate>
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         <title></title>
         <author>GabrielThermopolis</author>
         <link>https://padlet.com/gabrielthermopolis/e74ui6tz89ru6yzb/wish/648533700</link>
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         <pubDate>2020-07-06 18:10:26 UTC</pubDate>
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         <title></title>
         <author>GabrielThermopolis</author>
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         <pubDate>2020-07-06 18:11:02 UTC</pubDate>
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         <title>Exemplo 2 de reação química</title>
         <author>GabrielThermopolis</author>
         <link>https://padlet.com/gabrielthermopolis/e74ui6tz89ru6yzb/wish/648534327</link>
         <description><![CDATA[<div><strong>HCl</strong><strong><sub>(aq)</sub></strong><strong> + NaOH</strong><strong><sub>(aq)</sub></strong><strong> → </strong><strong><mark>NaCl</mark></strong><strong><mark><sub>(aq)</sub></mark></strong><strong><mark> + H2O</mark></strong><strong><mark><sub>(l)</sub></mark></strong><strong><mark><br></mark></strong><br></div><ol><li>Formação de <mark>novas substâncias</mark>!</li><li><strong><mark>Sem</mark></strong><strong> mudança de cor</strong></li><li><mark>S</mark><strong><mark>em</mark></strong><strong> presença de chama</strong></li><li><mark>Sem</mark> formação de sólido</li><li><mark>Sem</mark> liberação de gás</li></ol>]]></description>
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         <pubDate>2020-07-06 18:11:27 UTC</pubDate>
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         <title>Exemplo 1 de reação química</title>
         <author>GabrielThermopolis</author>
         <link>https://padlet.com/gabrielthermopolis/e74ui6tz89ru6yzb/wish/648538784</link>
         <description><![CDATA[<div><strong>2Fe</strong><strong><sub>(s)</sub></strong><strong> + 6HCl</strong><strong><sub>(aq)</sub></strong><strong> → </strong><strong><mark>2FeCl</mark></strong><strong><mark><sub>3(aq)</sub></mark></strong><strong><mark> + 3H</mark></strong><strong><mark><sub>2(g)<br></sub></mark></strong><br></div><ol><li>Formação de <mark>novas substâncias</mark>!</li><li>Massa molar do Fe<sub>(s)</sub>: <mark>55,84 g/mol</mark></li><li>Massa molar do HCl<sub>(aq)</sub>: <mark>36,46 g/mol</mark></li><li>Massa molar do FeCl<sub>3(aq)</sub>: <mark>162,20 g/mol</mark></li><li>Massa molar do H<sub>2(g)</sub>: <mark>2,00 g/mol</mark></li></ol>]]></description>
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         <pubDate>2020-07-06 18:16:55 UTC</pubDate>
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         <title></title>
         <author>GabrielThermopolis</author>
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         <pubDate>2020-07-06 18:46:56 UTC</pubDate>
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         <title></title>
         <author>GabrielThermopolis</author>
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         <pubDate>2020-07-06 18:49:41 UTC</pubDate>
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