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    piateczka's Avatar
    piateczka Posts: 1, Reputation: 1
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    #1

    Mar 21, 2010, 01:59 PM
    How to calculate heat of absorption using Gibbs-Helmholtz equation?
    Dear All,

    How to calculate the heat of absorption by use of the following form of the Gibbs-Helmholtz equation:

    ∆Hs/R = [∂ lnp /∂ (1/T)]x

    where: x - mole fraction of CO2 in the liquid phase
    p - CO2 partial pressure (kPa)
    T - temperature (K)
    R - universal gas constant
    alpha - mole ratio in the liquid phase (mole CO2 per mole of amine)

    What would be a "step-by-step" calculation procedure?

    Thank you,
    piateczka
    InfoJunkie4Life's Avatar
    InfoJunkie4Life Posts: 1,409, Reputation: 81
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    #2

    Mar 23, 2010, 09:23 AM

    Gibbs?Helmholtz equation - Wikipedia, the free encyclopedia
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