Answer the following statement(s) true (T) or false (F)
A. The natural logarithm of the activity coefficient of component i in a mixture is a partial molar property of the excess molar Gibbs free energy, divided by RT.
B. The “A” parameter in the 1-parameter Margules equation is related to the differences between the “like” interactions in a system and “unlike” interactions in a system.
C. The infinite dilution activity coefficients from the 1-parameter Margules equation are equal to the “A” parameter of the model.
D. The 1-parameter Margules equation is a quadratic function of the composition of the system.
E. None of the above are false.
A. Incorrect. This is true. See Equation 11.71.
B. Incorrect. This is true. See the margin note in this section.
C. Correct. The natural logarithm of the infinite dilution activity coefficients from the 1-parameter Margules equation is equal to A.
D. Incorrect. This is true. Equations 11.83 and 11.84 show this.
E. Incorrect. One statement is false.
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