Menu
Home / Chemical Engineering / Chemical Engineering Thermodynamics :: Discussion

Discussion :: Chemical Engineering Thermodynamics

  1. The change in Gibbs freee energy for vaporisation of a pure substance is

    2. A.

     Positive
    B.

     Negative
    C.

     Zero
    D.

     May be positive or negative

    View Answer

    Workspace

    View Answer

    Answer : Option C

    Explanation :

    Since, the gibbs free energy for vaporization of a pure substance is dG=VdP−SdT    since during phase change the temperature and pressure remains constant the gibbs free energy remains constant.

Write your comments here:

Be The First To Comment