{"id":2479,"date":"2016-10-17T11:21:47","date_gmt":"2016-10-17T11:21:47","guid":{"rendered":"http:\/\/blog.maxieduca.com.br\/?p=2479"},"modified":"2019-05-09T17:11:44","modified_gmt":"2019-05-09T17:11:44","slug":"gases-e-suas-aplicacoes","status":"publish","type":"post","link":"https:\/\/www.maxieduca.com.br\/blog\/quimica\/gases-e-suas-aplicacoes\/","title":{"rendered":"Dicas importantes e os conceitos sobre o estudo dos Gases e suas aplica\u00e7\u00f5es"},"content":{"rendered":"<p><span style=\"color: #000000;\">Voc\u00ea sabe como os gases se comportam?<\/span><\/p>\n<p><span style=\"color: #000000;\">E al\u00e9m disso, voc\u00ea tem ideia do que costuma ser cobrado nos concursos p\u00fablicos sobre este assunto?<\/span><\/p>\n<p><span style=\"color: #000000;\">Verifique a seguir o que voc\u00ea precisa ficar atento para sair bem nas quest\u00f5es.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><a href=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/gases.jpg\" rel=\"attachment wp-att-2480\"><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-2480 aligncenter\" src=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/gases.jpg\" alt=\"gases\" width=\"501\" height=\"353\" srcset=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/gases.jpg 400w, https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/gases-300x212.jpg 300w, https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/gases-370x262.jpg 370w, https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/gases-270x190.jpg 270w, https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/gases-263x185.jpg 263w\" sizes=\"(max-width: 501px) 100vw, 501px\" \/><\/a><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">O\u00a0<em><strong>estudo<\/strong><\/em>\u00a0do comportamento dos\u00a0<em><strong>gases<\/strong><\/em>\u00a0deve ser feito sempre a partir de suas tr\u00eas vari\u00e1veis de estado: press\u00e3o, temperatura e volume.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong><em>\u00a0<\/em><\/strong><\/span><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"color: #333399;\"><strong>Equa\u00e7\u00e3o geral dos gases<\/strong><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Todo g\u00e1s \u00e9 constitu\u00eddo de part\u00edculas (mol\u00e9culas) que est\u00e3o em cont\u00ednuo movimento desordenado. Esse movimento de um grande n\u00famero de mol\u00e9culas provoca colis\u00f5es entre elas e, por isso, sua trajet\u00f3ria n\u00e3o \u00e9 retil\u00ednea num espa\u00e7o apreci\u00e1vel, mas sim caminham em ziguezague. Essas colis\u00f5es podem ser consideradas perfeitamente el\u00e1sticas. O estado em que se apresenta um g\u00e1s, sob o ponto de vista microsc\u00f3pico, \u00e9 caracterizado por tr\u00eas vari\u00e1veis: press\u00e3o, volume e temperatura. S\u00e3o denominadas vari\u00e1veis de estado.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><\/h3>\n<p>&nbsp;<\/p>\n<h3 style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>I. <\/strong><\/span><span style=\"color: #000000;\"><strong><em>Volume<\/em><\/strong><\/span><\/h3>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #000000;\"><a href=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/volume.png\" rel=\"attachment wp-att-2481\"><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-2481 aligncenter\" src=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/volume.png\" alt=\"volume\" width=\"500\" height=\"260\" srcset=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/volume.png 354w, https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/volume-300x156.png 300w, https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/volume-270x140.png 270w, https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/volume-263x137.png 263w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/a><\/span><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">O volume de qualquer subst\u00e2ncia \u00e9 o espa\u00e7o ocupado por esta subst\u00e2ncia. No caso dos gases, o volume de uma dada amostra \u00e9 igual ao volume do recipiente que a cont\u00e9m. As unidades usuais de volume s\u00e3o:<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">&#8211; litro (L),<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">&#8211; mililitro (ml),<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">&#8211; metro c\u00fabico (m<sup>3<\/sup>),<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">&#8211; dec\u00edmetro c\u00fabico (dm<sup>3<\/sup>) e<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">&#8211; cent\u00edmetro c\u00fabico (cm<sup>3<\/sup>).<\/span><\/p>\n<h3 style=\"text-align: justify;\"><\/h3>\n<p>&nbsp;<\/p>\n<h3 style=\"text-align: justify;\"><\/h3>\n<h3 style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong><em>II. Temperatura<\/em><\/strong><\/span><\/h3>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #000000;\"><a href=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/temperatura.png\" rel=\"attachment wp-att-2482\"><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-2482 aligncenter\" src=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/temperatura.png\" alt=\"temperatura\" width=\"501\" height=\"573\" srcset=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/temperatura.png 313w, https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/temperatura-262x300.png 262w, https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/temperatura-166x190.png 166w, https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/temperatura-230x263.png 230w\" sizes=\"(max-width: 501px) 100vw, 501px\" \/><\/a><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">\u00c9 a medida do grau de agita\u00e7\u00e3o t\u00e9rmica das part\u00edculas que constituem uma subst\u00e2ncia. No estudo dos gases, \u00e9 utilizada a escala absoluta ou Kelvin (K) e, no Brasil, a escala usual \u00e9 a Celsius ou cent\u00edgrado (\u00b0C). Portanto, para transformar graus Celsius (t) em Kelvin, temos:<\/span><\/p>\n<h3 style=\"text-align: justify;\"><\/h3>\n<p>&nbsp;<\/p>\n<h3 style=\"text-align: justify;\"><\/h3>\n<h3 style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong><em>III. Press\u00e3o<\/em><\/strong><\/span><\/h3>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><a href=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/press\u00e3o.jpg\" rel=\"attachment wp-att-2483\"><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-2483 aligncenter\" src=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/press\u00e3o.jpg\" alt=\"pressao\" width=\"501\" height=\"323\" srcset=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/press\u00e3o.jpg 375w, https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/press\u00e3o-300x194.jpg 300w, https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/press\u00e3o-270x174.jpg 270w, https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/press\u00e3o-263x170.jpg 263w\" sizes=\"(max-width: 501px) 100vw, 501px\" \/><\/a><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">A press\u00e3o \u00e9 definida como for\u00e7a por unidade de \u00e1rea. No estado gasoso, a press\u00e3o \u00e9 o resultado do choque de suas mol\u00e9culas contra as paredes do recipiente que as cont\u00e9m. A medida da press\u00e3o de um g\u00e1s \u00e9 feita atrav\u00e9s de um aparelho chamado man\u00f4metro. O man\u00f4metro \u00e9 utilizado na medida da press\u00e3o dos gases, dentro de recipientes fechados.<\/span><\/p>\n<h2 style=\"text-align: center;\"><\/h2>\n<h2 style=\"text-align: center;\"><\/h2>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: center;\"><span style=\"color: #ff0000;\"><strong>Leis F\u00edsicas dos Gases<\/strong><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><a href=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/leis-fisicas.gif\" rel=\"attachment wp-att-2484\"><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-2484 aligncenter\" src=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/leis-fisicas.gif\" alt=\"leis-fisicas dos gases\" width=\"502\" height=\"684\" \/><\/a><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Uma dada massa de g\u00e1s sofre uma transforma\u00e7\u00e3o quando ocorrem varia\u00e7\u00f5es nas suas vari\u00e1veis de estado. Come\u00e7amos o estudo modificando-se apenas duas das grandezas e a outra se mant\u00e9m constante.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong><em>\u00a0<\/em><\/strong><\/span><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"color: #800080;\"><strong>Lei de Boyle-Mariotte<\/strong><\/span><\/h2>\n<p><span style=\"color: #000000;\"><em>\u00a0<\/em><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><em>\u201c\u00c0 temperatura constante, uma determinada massa de g\u00e1s ocupa um volume inversamente proporcional \u00e0 press\u00e3o exercida sobre ele\u201d.<\/em><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Esta transforma\u00e7\u00e3o gasosa, onde a temperatura \u00e9 mantida constante, \u00e9 chamada de <strong>transforma\u00e7\u00e3o isot\u00e9rmica<\/strong><strong>.<\/strong><\/span><\/p>\n<h2 style=\"text-align: justify;\"><\/h2>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: justify;\"><\/h2>\n<h2 style=\"text-align: justify;\"><span style=\"color: #800080;\"><strong>Experi\u00eancia da Lei de Boyle-Mariotte<\/strong><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #000000;\"><a href=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/lei-de-Boyle.jpg\" rel=\"attachment wp-att-2485\"><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-2485 aligncenter\" src=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/lei-de-Boyle.jpg\" alt=\"lei-de-boyle\" width=\"400\" height=\"276\" \/><\/a><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">A lei de Boyle-Mariotte pode ser representada por um gr\u00e1fico press\u00e3o-volume. Neste gr\u00e1fico, as abscissas representam a press\u00e3o de um g\u00e1s, e as ordenadas, o volume ocupado.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><a href=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/grafico-Boyle.jpg\" rel=\"attachment wp-att-2486\"><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-2486 aligncenter\" src=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/grafico-Boyle.jpg\" alt=\"grafico-boyle\" width=\"400\" height=\"316\" \/><\/a><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">A curva obtida \u00e9 uma hip\u00e9rbole, cuja equa\u00e7\u00e3o representativa \u00e9 PV = constante. Portanto, podemos representar:<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><a href=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/equa\u00e7\u00e3o-press\u00e3o.png\" rel=\"attachment wp-att-2487\"><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-2487 aligncenter\" src=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/equa\u00e7\u00e3o-press\u00e3o.png\" alt=\"equacao-pressao\" width=\"367\" height=\"149\" \/><\/a><\/span><\/p>\n<h2 style=\"text-align: justify;\"><\/h2>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: justify;\"><\/h2>\n<h2 style=\"text-align: justify;\"><span style=\"color: #800080;\"><strong>Lei de Charles\/Gay-Lussac<\/strong><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">\u201c<em>\u00c0 press\u00e3o constante, o volume ocupado por uma massa fixa de g\u00e1s \u00e9 diretamente proporcional \u00e0 temperatura absoluta.<\/em>&#8220;<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Esta transforma\u00e7\u00e3o gasosa, onde a press\u00e3o \u00e9 mantida constante, \u00e9 chamada de <strong>transforma\u00e7\u00e3o isob\u00e1rica<\/strong><strong>.<\/strong> As rela\u00e7\u00f5es entre volume e temperatura podem ser representadas pelo esquema:<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><a href=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/lei-charles-lussac.jpg\" rel=\"attachment wp-att-2489\">\u00a0<\/a><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><a href=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/Lei-de-Charles-Lussac.jpg\" rel=\"attachment wp-att-2491\"><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-2491 aligncenter\" src=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/Lei-de-Charles-Lussac.jpg\" alt=\"lei-de-charles-lussac\" width=\"401\" height=\"275\" \/><\/a><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Graficamente, encontramos:<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><a href=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/grafico-gay-lussac.jpg\" rel=\"attachment wp-att-2493\"><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-2493 aligncenter\" src=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/grafico-gay-lussac.jpg\" alt=\"grafico-gay-lussac\" width=\"401\" height=\"329\" srcset=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/grafico-gay-lussac.jpg 244w, https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/grafico-gay-lussac-232x190.jpg 232w\" sizes=\"(max-width: 401px) 100vw, 401px\" \/><\/a><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><a href=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/gr\u00e1fico-charles-lussac.jpg\" rel=\"attachment wp-att-2488\">\u00a0<\/a><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">A reta obtida \u00e9 representada pela equa\u00e7\u00e3o: V = (constante) \u00b7 T ou V\/T = constante<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Com isso, ficamos com:<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><a href=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/formula-gay-lussac.png\" rel=\"attachment wp-att-2490\"><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-2490 aligncenter\" src=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/formula-gay-lussac.png\" alt=\"formula-gay-lussac\" width=\"182\" height=\"125\" \/><\/a><\/span><\/p>\n<h2 style=\"text-align: justify;\"><\/h2>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: justify;\"><span style=\"color: #800080;\"><strong>Lei de Charles\/Gay-Lussac<\/strong><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">\u201c<em>A volume constante, a press\u00e3o exercida por uma determinada massa fixa de g\u00e1s \u00e9 diretamente proporcional \u00e0 temperatura absoluta.<\/em>\u201d<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Esta transforma\u00e7\u00e3o gasosa, onde o volume \u00e9 mantido constante, \u00e9 denominada de <strong>transforma\u00e7\u00e3o isoc\u00f3rica<\/strong><strong>,<\/strong> <strong>isom\u00e9trica<\/strong> <strong>ou<\/strong> <strong>isovolum\u00e9trica<\/strong><strong>.<\/strong> As rela\u00e7\u00f5es entre press\u00e3o e temperatura s\u00e3o representadas a seguir:<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><a href=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/lei-charles-lussac.jpg\" rel=\"attachment wp-att-2489\"><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-2489 aligncenter\" src=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/lei-charles-lussac.jpg\" alt=\"lei-charles-lussac\" width=\"397\" height=\"262\" \/><\/a><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Graficamente, encontramos:<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><a href=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/gr\u00e1fico-charles-lussac.jpg\" rel=\"attachment wp-att-2488\"><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-2488 aligncenter\" src=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/gr\u00e1fico-charles-lussac.jpg\" alt=\"grafico-charles-lussac\" width=\"402\" height=\"331\" srcset=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/gr\u00e1fico-charles-lussac.jpg 243w, https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/gr\u00e1fico-charles-lussac-231x190.jpg 231w\" sizes=\"(max-width: 402px) 100vw, 402px\" \/><\/a><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">A reta obtida \u00e9 representada pela equa\u00e7\u00e3o: P = (constante) \u00b7 T ou P\/T = constante<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Com isso, ficamos com:<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><a href=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/formula-charles-gay-lussac.png\" rel=\"attachment wp-att-2494\"><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-2494 aligncenter\" src=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/formula-charles-gay-lussac.png\" alt=\"formula-charles-gay-lussac\" width=\"211\" height=\"144\" \/><\/a><\/span><\/p>\n<h2 style=\"text-align: justify;\"><\/h2>\n<h2 style=\"text-align: justify;\"><\/h2>\n<h2 style=\"text-align: justify;\"><span style=\"color: #800080;\"><strong>G\u00e1s Perfeito ou Ideal<\/strong><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong><em>\u00a0<\/em><\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Obedece rigorosamente \u00e0s Leis F\u00edsicas dos Gases em quaisquer condi\u00e7\u00f5es de temperatura e press\u00e3o.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><\/h2>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: justify;\"><span style=\"color: #800080;\"><strong>G\u00e1s Real<\/strong><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #000000;\"><strong><em>\u00a0<\/em><\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">N\u00e3o segue o comportamento do g\u00e1s ideal, principalmente em press\u00f5es muito altas e\/ou em temperaturas baixas, porque ocorre alta redu\u00e7\u00e3o de volume e as part\u00edculas, muito pr\u00f3ximas, passam a interferir umas no movimento das outras. Um g\u00e1s real aproxima-se do comportamento de um g\u00e1s ideal \u00e0 medida que diminui a press\u00e3o e aumenta a temperatura.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><\/h2>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: justify;\"><\/h2>\n<h2 style=\"text-align: justify;\"><span style=\"color: #800080;\"><strong>Equa\u00e7\u00e3o Geral dos Gases<\/strong><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #000000;\"><strong><em>\u00a0<\/em><\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Esta equa\u00e7\u00e3o \u00e9 utilizada quando ocorre transforma\u00e7\u00e3o gasosa em que as tr\u00eas vari\u00e1veis de estado (<em>P, V<\/em> e <em>T<\/em>) se modificam simultaneamente. Ela \u00e9 obtida por meio da rela\u00e7\u00e3o matem\u00e1tica entre as transforma\u00e7\u00f5es gasosas estudadas anteriormente.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><a href=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/f\u00f3rmula-equa\u00e7\u00e3o-geral.jpg\" rel=\"attachment wp-att-2495\"><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-2495 aligncenter\" src=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/f\u00f3rmula-equa\u00e7\u00e3o-geral.jpg\" alt=\"formula-equacao-geral\" width=\"403\" height=\"250\" srcset=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/f\u00f3rmula-equa\u00e7\u00e3o-geral.jpg 361w, https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/f\u00f3rmula-equa\u00e7\u00e3o-geral-300x186.jpg 300w, https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/f\u00f3rmula-equa\u00e7\u00e3o-geral-270x168.jpg 270w, https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/f\u00f3rmula-equa\u00e7\u00e3o-geral-263x163.jpg 263w\" sizes=\"(max-width: 403px) 100vw, 403px\" \/><\/a><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><a href=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/grafico-transforma\u00e7\u00f5es-gasosas.jpg\" rel=\"attachment wp-att-2496\"><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-2496 aligncenter\" src=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/grafico-transforma\u00e7\u00f5es-gasosas.jpg\" alt=\"grafico-transformacoes-gasosas\" width=\"402\" height=\"311\" srcset=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/grafico-transforma\u00e7\u00f5es-gasosas.jpg 359w, https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/grafico-transforma\u00e7\u00f5es-gasosas-300x232.jpg 300w, https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/grafico-transforma\u00e7\u00f5es-gasosas-245x190.jpg 245w, https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/grafico-transforma\u00e7\u00f5es-gasosas-263x204.jpg 263w\" sizes=\"(max-width: 402px) 100vw, 402px\" \/><\/a><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Condi\u00e7\u00f5es Normais de Temperatura e Press\u00e3o (CNTP, CN ou TPN)<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">S\u00e3o definidas como condi\u00e7\u00f5es normais de temperatura e press\u00e3o quando o g\u00e1s \u00e9 submetido a uma press\u00e3o de 1 atm e \u00e0 temperatura de 0 \u00b0C. Portanto, podemos colocar:<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">P = 1 atm = 760 mmHg<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">T = 0 \u00b0C = 273 K<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong><em>\u201cVolumes iguais de gases quaisquer, \u00e0 mesma temperatura e press\u00e3o, encerram o mesmo n\u00famero de mol\u00e9culas\u201d<\/em><\/strong><\/span><\/p>\n<h2 style=\"text-align: justify;\"><\/h2>\n<h2 style=\"text-align: justify;\"><span style=\"color: #800080;\"><strong>Lei de Avogadro<\/strong><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/lei-avogadro.jpg\" rel=\"attachment wp-att-2497\"><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-2497 aligncenter\" src=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/lei-avogadro.jpg\" alt=\"lei-avogadro\" width=\"401\" height=\"178\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Sendo <strong>n<\/strong> a quantidade em mols de cada g\u00e1s, podemos concluir que:<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><a href=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/formula-mols.jpg\" rel=\"attachment wp-att-2498\"><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-2498 aligncenter\" src=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/formula-mols.jpg\" alt=\"formula-mols\" width=\"276\" height=\"71\" \/><\/a><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Determinou-se experimentalmente o volume ocupado por 1 mol de qualquer g\u00e1s nas CNTP e foi encontrado o valor aproximadamente igual a 22,4 L. Portanto, podemos dizer que:<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>\u00a0<\/strong><\/span><\/p>\n<h2 style=\"text-align: justify;\"><\/h2>\n<h2 style=\"text-align: justify;\"><span style=\"color: #800080;\"><strong>Equa\u00e7\u00e3o de Clapeyron<\/strong><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #000000;\"><strong><em>\u00a0<\/em><\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">As leis de Boyle e Charles\/Gay-Lussac podem ser combinadas com a lei de Avogadro para relacionar volume, press\u00e3o, temperatura e quantidade em mols de um g\u00e1s. Tal rela\u00e7\u00e3o \u00e9 chamada de equa\u00e7\u00e3o de estado de um g\u00e1s. Ela pode ser encontrada das seguintes formas:<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong><em>Lei de Boyle-Mariotte<\/em><\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><em>V<\/em> \u00e9 proporcional a \u00a0quando <em>T<\/em> e <em>n<\/em> s\u00e3o constantes.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong><em>Lei de Charles\/Gay-Lussac<\/em><\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><em>V<\/em> \u00e9 proporcional a <em>T<\/em> onde <em>P<\/em> e <em>n<\/em> s\u00e3o constantes.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><em>P<\/em> \u00e9 proporcional a <em>T<\/em> onde <em>V<\/em> e <em>n<\/em> s\u00e3o constantes.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>Lei de Avogadro<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><em>V<\/em> \u00e9 proporcional a <em>n<\/em> quando <em>T<\/em> e <em>P<\/em> s\u00e3o constantes. Agrupando as quatro express\u00f5es encontramos:<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><em>V<\/em> \u00e9 proporcional a \u00a0\u00b7 (<em>T<\/em>) \u00b7 (<em>n<\/em>) ou<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><em>V = R \u00b7<\/em> <em>\u00a0<\/em><em>\u00b7 (T) \u00b7 (n),<\/em> onde <em>R<\/em> representa a constante de proporcionalidade e \u00e9 chamada de constante universal dos gases. A equa\u00e7\u00e3o de estado pode ent\u00e3o ser representada por:<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><a href=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/clapeyron.jpg\" rel=\"attachment wp-att-2499\"><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-2499 aligncenter\" src=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/clapeyron.jpg\" alt=\"clapeyron\" width=\"401\" height=\"317\" srcset=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/clapeyron.jpg 302w, https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/clapeyron-300x237.jpg 300w, https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/clapeyron-240x190.jpg 240w, https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/clapeyron-263x208.jpg 263w\" sizes=\"(max-width: 401px) 100vw, 401px\" \/><\/a><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Esta equa\u00e7\u00e3o tamb\u00e9m \u00e9 denominada de <strong>equa\u00e7\u00e3o de Clapeyron<\/strong>, em homenagem ao f\u00edsico franc\u00eas que a determinou. A constante <em>R<\/em> pode assumir dois valores distintos, de acordo com a unidade de press\u00e3o utilizada, dentre os quais temos:<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><a href=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/constante-R.jpg\" rel=\"attachment wp-att-2500\"><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-2500 aligncenter\" src=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/constante-R.jpg\" alt=\"constante-r\" width=\"329\" height=\"146\" \/><\/a><\/span><\/p>\n<h2 style=\"text-align: justify;\"><\/h2>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: justify;\"><\/h2>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: justify;\"><span style=\"color: #800080;\"><strong>Misturas gasosas<\/strong><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #000000;\"><a href=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/Misturas-Gasosas.jpg\" rel=\"attachment wp-att-2501\"><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-2501 aligncenter\" src=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/Misturas-Gasosas.jpg\" alt=\"misturas-gasosas\" width=\"400\" height=\"405\" srcset=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/Misturas-Gasosas.jpg 256w, https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/Misturas-Gasosas-188x190.jpg 188w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/span><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">As misturas gasosas s\u00e3o muito comuns no cotidiano. \u00c9 poss\u00edvel descobrir sua press\u00e3o e volume total atrav\u00e9s das press\u00f5es e volumes parciais dos gases componentes da mistura.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Estamos cercados mais por misturas de gases do que por gases isolados. O ar que respiramos \u00e9 um exemplo de mistura de v\u00e1rios gases, sendo que os principais s\u00e3o o nitrog\u00eanio (N<sub>2<\/sub>), que corresponde a cerca de 80% do ar; e o oxig\u00eanio (O<sub>2<\/sub>), que \u00e9 quase 20%.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Visto que s\u00e3o t\u00e3o presentes em nosso cotidiano, \u00e9 necess\u00e1rio analisar duas grandezas importantes quando se trata de misturas gasosas, que s\u00e3o: press\u00e3o parcial e volume parcial. A seguir, ambos ser\u00e3o explicados:<\/span><\/p>\n<h3 style=\"text-align: justify;\"><strong><span style=\"color: #000000;\"><u>1. Press\u00e3o parcial dos gases:<\/u><\/span><\/strong><\/h3>\n<p><span style=\"color: #000000;\"><u>\u00a0<\/u><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">A press\u00e3o parcial de um g\u00e1s \u00e9 a press\u00e3o que ele exerceria se estivesse sozinho, nas mesmas condi\u00e7\u00f5es de temperatura e volume da mistura.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Segundo Dalton, a soma das press\u00f5es parciais dos gases que formam a mistura resulta na press\u00e3o total (p) da mistura. Por exemplo, se a press\u00e3o do ar for de 1,0 atm, a press\u00e3o parcial do N2 ser\u00e1 de 0,8 (80% da press\u00e3o total) e a press\u00e3o parcial de O<sub>2<\/sub> ser\u00e1 igual a 0,2 % (20% da press\u00e3o total da mistura).<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Essa Lei de Dalton \u00e9 mostrada tamb\u00e9m pela fra\u00e7\u00e3o em quantidade de mat\u00e9ria (X). Essa fra\u00e7\u00e3o no caso do nitrog\u00eanio \u00e9 dada por 0,8 mol.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">1,0 mol<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">P<sub>N2<\/sub>= p . X<sub>N2<\/sub><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">P<sub>N2<\/sub>= 1,0 atm . 0,8 = 0,8 atm.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Pode-se tamb\u00e9m calcular cada press\u00e3o parcial por meio da equa\u00e7\u00e3o de estado dos gases:<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><a href=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/formula-pressao-parcial.jpg\" rel=\"attachment wp-att-2502\"><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-2502 aligncenter\" src=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/formula-pressao-parcial.jpg\" alt=\"formula-pressao-parcial\" width=\"401\" height=\"225\" srcset=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/formula-pressao-parcial.jpg 536w, https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/formula-pressao-parcial-300x168.jpg 300w, https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/formula-pressao-parcial-270x152.jpg 270w, https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/formula-pressao-parcial-263x148.jpg 263w\" sizes=\"(max-width: 401px) 100vw, 401px\" \/><\/a><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"color: #000000;\">Equa\u00e7\u00e3o de estado dos gases: PV = nRT<\/span><\/p>\n<h3 style=\"text-align: justify;\"><\/h3>\n<p>&nbsp;<\/p>\n<h3 style=\"text-align: justify;\"><strong><span style=\"color: #000000;\"><u>2.Volume parcial dos gases:<\/u><\/span><\/strong><\/h3>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><u>\u00a0<\/u><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Similarmente \u00e0 press\u00e3o parcial, o volume parcial corresponde ao volume que um g\u00e1s ocupa nas condi\u00e7\u00f5es de temperatura e press\u00e3o da mistura.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">A Lei de Amagat diz que a soma dos volumes parciais \u00e9 igual ao volume total, assim como o caso da press\u00e3o visto anteriormente. Por isso, usamos a equa\u00e7\u00e3o de estado dos gases, com a \u00fanica diferen\u00e7a que agora se coloca o volume parcial do g\u00e1s e n\u00e3o a press\u00e3o:<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><a href=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/volume-1.png\" rel=\"attachment wp-att-2503\"><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-2503 aligncenter\" src=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/volume-1.png\" alt=\"volume\" width=\"400\" height=\"208\" srcset=\"https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/volume-1.png 354w, https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/volume-1-300x156.png 300w, https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/volume-1-270x140.png 270w, https:\/\/www.maxieduca.com.br\/blog\/wp-content\/uploads\/2016\/10\/volume-1-263x137.png 263w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Tamb\u00e9m \u00e9 poss\u00edvel calcular o volume parcial de cada g\u00e1s componente da mistura por meio da fra\u00e7\u00e3o em quantidade de mat\u00e9ria.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>\u00a0<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong><em>E ai gostou? Ou melhor, compreendeu um pouco sobre o comportamento e a equa\u00e7\u00e3o dos gases?<\/em><\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong><em>Usamos este post para auxiliar seus estudos e facilitar sua compreens\u00e3o. <\/em><\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong><em>Boa sorte em sua caminhada rumo a aprova\u00e7\u00e3o em um concurso p\u00fablico!!<\/em><\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong><em>\u00a0<\/em><\/strong><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Todo g\u00e1s \u00e9 constitu\u00eddo de part\u00edculas (mol\u00e9culas) que est\u00e3o em cont\u00ednuo movimento desordenado. Esse movimento de um grande n\u00famero de mol\u00e9culas provoca colis\u00f5es entre elas e, por isso, sua trajet\u00f3ria n\u00e3o \u00e9 retil\u00ednea num espa\u00e7o apreci\u00e1vel, mas sim caminham em ziguezague. <\/p>\n","protected":false},"author":48,"featured_media":2506,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[84],"tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Estudo do conceito dos gases e suas aplica\u00e7\u00f5es<\/title>\n<meta name=\"description\" content=\"O estudo do comportamento dos gases deve ser feito sempre a partir de suas tr\u00eas vari\u00e1veis de estado: press\u00e3o, temperatura e volume.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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