Podcast
Questions and Answers
Which phase is in equilibrium with a solid phase if their chemical potentials are identical?
Which phase is in equilibrium with a solid phase if their chemical potentials are identical?
- Liquid
- Gas
- Both liquid and gas
- None of the above (correct)
What is the relationship between the chemical potential and the molar Gibbs free energy for a pure compound?
What is the relationship between the chemical potential and the molar Gibbs free energy for a pure compound?
- They are inversely proportional
- They are equal (correct)
- They are proportional
- There is no relationship
Which phase is not mentioned in the text as one of the phases?
Which phase is not mentioned in the text as one of the phases?
- Liquid
- Solid
- Gas
- Plasma (correct)
Flashcards
What is chemical potential?
What is chemical potential?
The chemical potential is a thermodynamic property that expresses the change in Gibbs free energy of a system when one mole of a substance is added to it at constant temperature and pressure.
For pure compounds, what is the relationship between chemical potential and molar Gibbs free energy?
For pure compounds, what is the relationship between chemical potential and molar Gibbs free energy?
When the chemical potential of a pure compound is equal to its molar Gibbs free energy, this signifies that the compound is in its most stable state under the given conditions (temperature and pressure).
Which state of matter was not mentioned?
Which state of matter was not mentioned?
Plasma is a state of matter where atoms are ionized, meaning they have lost or gained electrons. It's the most common state of matter in the universe, found in stars and other celestial objects.
Study Notes
Phase Equilibrium
- A phase is in equilibrium with a solid phase if their chemical potentials are identical.
Chemical Potential and Molar Gibbs Free Energy
- The chemical potential is equal to the molar Gibbs free energy for a pure compound.
Phases Not Mentioned
- There is no mention of a plasma phase in the text as one of the phases.
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