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Discussion :: Chemical Engineering Thermodynamics

  1. Which of the following is affected by the temperature?

    2. A.

     Fugacity
    B.

     Activity co-efficient
    C.

     Free energy
    D.

     All of the above

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    Answer : Option D

    Explanation :

    All the three will be effected by temperature and the relation between the temperature and fugacity is given by : (∂lnfi∂T)P,n=−¯Hl+¯Hl∘RT2
    Activity co-efficient and temperature given by : ∂lna∂TP=H∘−HRT2
    Free energy and temperature is given by : (∂G∂T)P=S

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