Fill in the spaces: “The molar (…), symbolized as (…), is for pure compounds the same as the (…) and is used in modeling equilibrium.”
A. Gibbs free energy / G / equilibrium potential
B. Gibbs free energy / G / chemical potential
C. Helmholz energy / A / equilibrium constant
D. Gibbs free energy / G / fugacity coefficient
E. None of these
A. Incorrect. “Equilibrium potential” is an undefined term.
B. Correct. Note that in mixtures of compounds, the definition of ? does not simplify to G, as will be seen in Chapter 9.
C. Incorrect. Helmholz energy is not part of common equilibrium calculations.
D. Incorrect. Fugacity is related to the Gibbs free energy, but is not the same as G.
E. Incorrect. One of these lists correctly completes the sentence.
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