Which of the following statements is false?

A. The Gibbs-Duhem equation finds utility in the evaluation of the accuracy of experimental thermodynamic measurements.
B. The molar volume of mixing, if assuming an ideal solution, is zero.
C. A residual thermodynamic property is the solution property minus the solution property if modeled as an ideal solution.
D. When a substance is non-polar, it does not possess a permanent dipole moment.
E. None of the above are false.


A. Incorrect. This is a true statement. The Gibbs-Duhem equation is used in the evaluation of the accuracy of experimental thermodynamic measurements. The Gibbs-Duhem equation will be examined in more detail in Chapter 11.
B. Incorrect. This is a true statement. An ideal solution has additive volume.
C. Correct. This is not true for Gibbs free energy or entropy.
D. Incorrect. This is a true statement. Polarity is defined by the presence of a permanent dipole moment.
E. Incorrect. One of the four statements is false.

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