{"id":30,"date":"2025-12-06T00:43:13","date_gmt":"2025-12-06T00:43:13","guid":{"rendered":"https:\/\/www.ct.ufpb.br\/lhdr2\/?page_id=30"},"modified":"2025-12-06T00:43:13","modified_gmt":"2025-12-06T00:43:13","slug":"experiencia-1-densidade-dos-liquidos","status":"publish","type":"page","link":"https:\/\/www.ct.ufpb.br\/lhdr\/experiencias-mecanica-dos-fluidos\/experiencia-1-densidade-dos-liquidos\/","title":{"rendered":"Experi\u00eancia 1 \u2013 Densidade dos L\u00edquidos"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">O roteiro da <strong>Experi\u00eancia 01 \u2013 Densidade de L\u00edquidos<\/strong> do Laborat\u00f3rio de Hidr\u00e1ulica da UFPB tem como objetivo principal determinar a densidade relativa de subst\u00e2ncias l\u00edquidas, utilizando tr\u00eas m\u00e9todos experimentais distintos: picn\u00f4metro , alco\u00f4metro e a balan\u00e7a de Westphal.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"709\" height=\"404\" src=\"https:\/\/www.ct.ufpb.br\/lhdr2\/wp-content\/uploads\/sites\/107\/sites\/200\/2024\/08\/Imagem1.jpg\" alt=\"\" class=\"wp-image-31\" style=\"width:442px;height:auto\" srcset=\"https:\/\/www.ct.ufpb.br\/lhdr\/wp-content\/uploads\/sites\/107\/sites\/200\/2024\/08\/Imagem1.jpg 709w, https:\/\/www.ct.ufpb.br\/lhdr\/wp-content\/uploads\/sites\/107\/sites\/200\/2024\/08\/Imagem1-300x171.jpg 300w\" sizes=\"auto, (max-width: 709px) 100vw, 709px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>1. Objetivo:<\/strong><br>Determinar a densidade relativa de l\u00edquidos, especialmente solu\u00e7\u00f5es solu\u00e7\u00f5es hidroalc\u00f3olicas (\u00e1lcool e \u00e1gua).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. Base Te\u00f3rica:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Picn\u00f4metro:<\/strong> M\u00e9todo baseado na raz\u00e3o entre a massa do l\u00edquido e o volume conhecido do recipiente.<\/li>\n\n\n\n<li><strong>Dens\u00edmetro (alco\u00f4metro):<\/strong> Mede a densidade com base no empuxo, atrav\u00e9s da imers\u00e3o em l\u00edquidos.<\/li>\n\n\n\n<li><strong>Balan\u00e7a de Westphal:<\/strong> Balan\u00e7a hidrost\u00e1tica que mede a densidade a partir do equil\u00edbrio de momentos causado por diferentes massas calibradas em ranhuras.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3. Equipamentos:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Balan\u00e7a de Westphal (l = 10 cm, volume = 6,043 cm\u00b3, m = 5 g)<\/li>\n\n\n\n<li>Picn\u00f4metro de 500 ml e balan\u00e7a de bra\u00e7o triplo<\/li>\n\n\n\n<li>Dens\u00edmetro (graus GL)<\/li>\n\n\n\n<li>Amostra de \u00e1lcool et\u00edlico hidratado<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>4. Procedimento:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Alco\u00f4metro:<\/strong> Medir o grau alco\u00f3lico (GL) da solu\u00e7\u00e3o.<\/li>\n\n\n\n<li><strong>Picn\u00f4metro:<\/strong> Determinar a massa vazia e cheia do picn\u00f4metro com a solu\u00e7\u00e3o.<\/li>\n\n\n\n<li><strong>Westphal:<\/strong> Nivelar a balan\u00e7a, imergir o mergulhador e ajustar massas at\u00e9 obter equil\u00edbrio, anotando as posi\u00e7\u00f5es das massas.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>5. Resultados Esperados:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u00e1lculo da massa espec\u00edfica e densidade relativa para cada m\u00e9todo.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>6. Discuss\u00e3o e Conclus\u00e3o:<\/strong><br>Comparar os resultados obtidos, calcular desvios em rela\u00e7\u00e3o ao m\u00e9todo da balan\u00e7a de Westphal e discutir poss\u00edveis fontes de erro.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/drive.google.com\/uc?export=dowload&amp;id=1qTMS8yRiSAaoPFU7QbDSaY2KF8M5XCRk\">EXPERI\u00caNCIA 1 \u2014  Planilha de dados (Download)<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"http:\/\/plone.ufpb.br\/lhdr\/contents\/documentos\/fichasexperimentos\/PLANILHA1.pdf\"><\/a><img decoding=\"async\" src=\"http:\/\/plone.ufpb.br\/lhdr\/contents\/imagens\/Imagem1.jpg\" alt=\"\"><a href=\"https:\/\/drive.google.com\/uc?export=dowload&amp;id=1OwTsTgHEXZdLTYsv-TirqkhBoiif8-EH\">EXPERI\u00caNCIA 1 \u2014 Gr\u00e1fico Grau GL (Download)<\/a><\/p>\n\n\n\n<div data-wp-interactive=\"core\/file\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!state.hasPdfPreview\" hidden class=\"wp-block-file__embed\" data=\"https:\/\/www.ct.ufpb.br\/lhdr\/wp-content\/uploads\/sites\/107\/sites\/200\/2025\/06\/Experimento_1_v1.1.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"Incorporado de EXPERI\u00caNCIA 1 \u2014 Densidade dos L\u00edquidos (Download Roteiro).\"><\/object><a id=\"wp-block-file--media-66660b07-2688-4e16-930d-67f7f76d7500\" href=\"https:\/\/www.ct.ufpb.br\/lhdr\/wp-content\/uploads\/sites\/107\/sites\/200\/2025\/06\/Experimento_1_v1.1.pdf\">EXPERI\u00caNCIA 1 \u2014 Densidade dos L\u00edquidos (Download Roteiro)<\/a><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-3 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>O roteiro da Experi\u00eancia 01 \u2013 Densidade de L\u00edquidos do Laborat\u00f3rio de Hidr\u00e1ulica da UFPB [&hellip;]<\/p>\n","protected":false},"author":47,"featured_media":0,"parent":28,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-30","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.ct.ufpb.br\/lhdr\/wp-json\/wp\/v2\/pages\/30","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ct.ufpb.br\/lhdr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.ct.ufpb.br\/lhdr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.ct.ufpb.br\/lhdr\/wp-json\/wp\/v2\/users\/47"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ct.ufpb.br\/lhdr\/wp-json\/wp\/v2\/comments?post=30"}],"version-history":[{"count":15,"href":"https:\/\/www.ct.ufpb.br\/lhdr\/wp-json\/wp\/v2\/pages\/30\/revisions"}],"predecessor-version":[{"id":410,"href":"https:\/\/www.ct.ufpb.br\/lhdr\/wp-json\/wp\/v2\/pages\/30\/revisions\/410"}],"up":[{"embeddable":true,"href":"https:\/\/www.ct.ufpb.br\/lhdr\/wp-json\/wp\/v2\/pages\/28"}],"wp:attachment":[{"href":"https:\/\/www.ct.ufpb.br\/lhdr\/wp-json\/wp\/v2\/media?parent=30"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}