Bio&Química

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Bio&Química

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Bio&Química

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Bio&Química

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3 participantes

    Equilíbrio Químico

    avatar
    lucas cavenaghi
    Membro
    Membro


    Mensagens : 13
    Data de inscrição : 04/12/2011

    Equilíbrio Químico  Empty Equilíbrio Químico

    Mensagem por lucas cavenaghi Qui Fev 02, 2012 9:42 pm

    (IME) Num recipiente fechado,mantido a temperatura constante de 700 K,foram introduzidos 0,450 mol de dióxido de carbono e 0,450 mol de hidrogênio.Após certo tempo,estabeleceu-se o equilíbrio,aparecendo como espécies novas monóxido de carbono e vapor de água.Foram então, adicionados 0,500 mol de uma mistura equimolecular dos reagentes.Calcule a nova composição de equilíbrio,sabendo-se que nessas condições
    Spoiler:
    epatrick
    epatrick
    Membro
    Membro


    Mensagens : 76
    Data de inscrição : 03/02/2012

    Equilíbrio Químico  Empty Re: Equilíbrio Químico

    Mensagem por epatrick Sex Fev 10, 2012 12:10 pm

    Olá, Lucas

    Temos a seguinte reação:

    Equilíbrio Químico  %5Cnormalsize%5C%21CO_%7B2%7D%20%5C%2C%5C%2C%20%2B%20%5C%2C%5C%2C%20H_%7B2%7D%20%5C%2C%5C%2C%20%5Crightleftharpoons%20%5C%2C%5C%2C%20CO%20%5C%2C%5C%2C%20%2B%20%5C%2C%5C%2C%20H_%7B2%7DO

    Agora, vamos montar uma tabela relacionando as concentrações das substâncias participantes:

    Equilíbrio Químico  %5Cnormalsize%5C%21%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2CCO_%7B2%7D%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20%2B%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20H_%7B2%7D%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20%5Crightleftharpoons%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20CO%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20%2B%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20H_%7B2%7DO

    Início: Equilíbrio Químico  %5Cnormalsize%5C%21%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%200%2C45%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%200%2C45%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%200%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%200
    Durante: Equilíbrio Químico  %5Cnormalsize%5C%21%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20-x%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20-x%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20%2Bx%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20%2Bx
    Equilíbrio:Equilíbrio Químico  %5Cnormalsize%5C%21%5C%2C%5C%2C%20%5Cleft%280%2C45%20%20-%20%20x%20%5Cright%29%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20%5Cleft%280%2C45%20%20-%20%20x%20%5Cright%29%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20x%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20x

    logo

    Equilíbrio Químico  %5Cnormalsize%5C%21K_%7Bc%7D%20%5C%2C%20%3D%20%5C%2C%20%5Cfrac%7Bx%5E2%7D%7B%5Cleft%280%2C45-x%20%5Cright%29%7D%20%3D%20%5Cleft%28%5Cfrac%7Bx%7D%7B0%2C45-x%7D%5Cright%29%5E%7B2%7D%20%5C%5C%200%2C16%20%3D%20%5Cleft%28%5Cfrac%7Bx%7D%7B0%2C45-x%7D%5Cright%29%5E%7B2%7D%20%5C%5C%20%5Cfrac%7Bx%7D%7B0%2C45-x%7D%20%3D%20%5Cpm%200%2C4

    Para o valor Equilíbrio Químico  %5Cnormalsize%5C%21%2B0%2C4, temos o seguinte valor de Equilíbrio Químico  %5Cnormalsize%5C%21x:

    Equilíbrio Químico  %5Cnormalsize%5C%21x%20%3D%200%2C4%20%5Ccdot%20%5Cleft%280%2C45-x%20%5Cright%29%20%5C%5C%20x%20%3D%200%2C13

    Para o valor Equilíbrio Químico  %5Cnormalsize%5C%21-0%2C4, Equilíbrio Químico  %5Cnormalsize%5C%21x%20%5C%2C%20%3C%20%5C%2C%200, isso não convém. Portanto, para Equilíbrio Químico  %5Cnormalsize%5C%21x%3D%200%2C13 temos os seguintes valores no equilíbrio:

    Equilíbrio Químico  %5Cnormalsize%5C%21%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2CCO_%7B2%7D%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20%2B%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20H_%7B2%7D%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20%5Crightleftharpoons%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20CO%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20%2B%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20H_%7B2%7DO

    Equilíbrio: Equilíbrio Químico  %5Cnormalsize%5C%21%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%200%2C32%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%200%2C32%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%200%2C13%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%200%2C13

    A questão fala que foi adicionado 0,5 mol para cada reagente. Pelo princípio de Le Chatelier, o equilíbrio vai se deslocar para a direita. Com isso, temos a seguinte tabela:


    Equilíbrio Químico  %5Cnormalsize%5C%21%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2CCO_%7B2%7D%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20%2B%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20H_%7B2%7D%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20%5Crightleftharpoons%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20CO%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20%2B%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20H_%7B2%7DO

    Início: Equilíbrio Químico  %5Cnormalsize%5C%21%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20%5Cleft%280%2C32%20%2B%200%2C5%20%5Cright%29%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20%5Cleft%280%2C32%20%2B%200%2C5%20%5Cright%29%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%200%2C13%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%200%2C13
    Durante: Equilíbrio Químico  %5Cnormalsize%5C%21%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20-x%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20-x%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20%2Bx%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20%2Bx
    Equilíbrio:Equilíbrio Químico  %5Cnormalsize%5C%21%5C%2C%5C%2C%20%5Cleft%280%2C82%20%20-%20%20x%20%5Cright%29%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20%5Cleft%280%2C82%20%20-%20%20x%20%5Cright%29%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20%5Cleft%280%2C13%20%20%2B%20%20x%20%5Cright%29%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20%5Cleft%280%2C13%20%20%2B%20%20x%20%5Cright%29


    Com isso,

    Equilíbrio Químico  %5Cnormalsize%5C%21K_%7Bc%7D%20%5C%2C%20%3D%20%5C%2C%20%5Cfrac%7B%5Cleft%280%2C13%2Bx%20%5Cright%29%5E%7B2%7D%7D%7B%5Cleft%280%2C82-x%20%5Cright%29%5E%7B2%7D%7D%20%3D%20%5Cleft%28%5Cfrac%7B0%2C13%2Bx%7D%7B0%2C82-x%7D%5Cright%29%5E%7B2%7D%20%5C%5C%200%2C16%20%3D%20%5Cleft%28%5Cfrac%7B0%2C13%2Bx%7D%7B0%2C82-x%7D%5Cright%29%5E%7B2%7D%20%5C%5C%20%5Cfrac%7B0%2C13%2Bx%7D%7B0%2C82-x%7D%20%3D%20%5Cpm%200%2C4

    Vamos encontrar o valor de Equilíbrio Químico  %5Cnormalsize%5C%21x somente para o valor Equilíbrio Químico  %5Cnormalsize%5C%21%2B0%2C4, pois para o valor Equilíbrio Químico  %5Cnormalsize%5C%21-0%2C4, Equilíbrio Químico  %5Cnormalsize%5C%21x%5C%2C%3C%20%5C%2C%200.

    Portanto,

    Equilíbrio Químico  %5Cnormalsize%5C%21%5Cfrac%7B0%2C13%2Bx%7D%7B0%2C82-x%7D%20%3D%20%200%2C4%20%5C%5C%200%2C13%20%2B%20x%20%3D%200%2C4%20%5Ccdot%20%5Cleft%280%2C82-x%20%5Cright%29%20%5C%5C%20x%20%3D%200%2C14

    E, finalmente, a composição do equilíbrio será:

    Equilíbrio Químico  %5Cnormalsize%5C%21%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2CCO_%7B2%7D%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20%2B%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20H_%7B2%7D%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20%5Crightleftharpoons%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20CO%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20%2B%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%20H_%7B2%7DO

    Equilíbrio: Equilíbrio Químico  %5Cnormalsize%5C%21%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%200%2C68%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%200%2C68%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%200%2C27%20%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%5C%2C%200%2C27



    Acredito que seja isso.
    [Planck]³
    [Planck]³
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    Equilíbrio Químico  Empty Re: Equilíbrio Químico

    Mensagem por [Planck]³ Qua Fev 15, 2012 7:48 am

    Epatrick, só há um pequeno erro em sua resolução. Quando a questão fala em uma mistura equimolar de 0,5 mol de CO2 e H2, ela quer dizer que coexiste 0,25 mol de CO2 E 0,25 mol de H2, ou seja, é como se houvesse um novo equilíbrio a ser estabelecido com 0,25 mol de CO2 e 0,25 mol de H2 com zero mols de produto inicial.

    No equilíbrio, ao aplicarmos a ideia da constante de equilílbrio descobre-se consumo de 0,07 mol dos reagentes ficando somente 0,18 mol de CO2 e 0,18 mol de H2. Logo, tem-se que 0,18+0,32=0,5 mol de CO2 e 0,5 mol de H2. Nos produtos: 0,07+0,13=0,2 mol de H2O e 0,2 mol de CO.
    epatrick
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    Equilíbrio Químico  Empty Re: Equilíbrio Químico

    Mensagem por epatrick Qua Fev 15, 2012 10:58 am

    Olá, [planck]³


    Realmente errei. Confundi o significado de equimolar.

    O que você fez é um caminho diferente. Pode ser utilizado também o Princípio de Le Chatelier (chega-se ao mesmo resultado).


    Obrigado pelas observações!

    Abraços!

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    Equilíbrio Químico  Empty Re: Equilíbrio Químico

    Mensagem por Conteúdo patrocinado


      Data/hora atual: Sex Mar 29, 2024 3:08 am