Consider the melting transition of ice into water at constant pressure. Which of the following thermodynamic quantities does not exhibit a discontinuous change across the phase tra... Consider the melting transition of ice into water at constant pressure. Which of the following thermodynamic quantities does not exhibit a discontinuous change across the phase transition? (a) Internal energy (b) Helmholtz free energy (c) Gibbs free energy (d) Entropy
Understand the Problem
The question is asking which thermodynamic quantity does not show a discontinuous change when ice melts into water at constant pressure. This involves understanding the behavior of various thermodynamic potentials during a phase transition.
Answer
Gibbs free energy
The final answer is Gibbs free energy.
Answer for screen readers
The final answer is Gibbs free energy.
More Information
During a phase transition, the Gibbs free energy remains continuous, while its derivatives might be discontinuous. This characteristic makes it unique compared to other thermodynamic quantities.
Tips
Make sure to differentiate between the function and its derivatives when analyzing phase transitions.
Sources
- 23.2: Gibbs Energies and Phase Diagrams - Chemistry LibreTexts - chem.libretexts.org
- Melting Is Well-Known, but Is It Also Well-Understood? - PMC - pmc.ncbi.nlm.nih.gov
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