Podcast
Questions and Answers
What is the characteristic of molecules in a solid?
What is the characteristic of molecules in a solid?
- They move around freely
- They have no shape and container-defined volume
- They are closely packed with high molecular forces (correct)
- They have a fluid shape and definite volume
What is the process called when a gas changes into a liquid?
What is the process called when a gas changes into a liquid?
- Condensation (correct)
- Melting
- Freezing
- Vaporization
What is the characteristic of a pure substance?
What is the characteristic of a pure substance?
- It is a mixture of two or more phases
- It is always a solid
- It has a fixed chemical composition throughout (correct)
- It has a varying chemical composition
What is the term for a system that contains one or more phases?
What is the term for a system that contains one or more phases?
What is the process called when a solid changes directly into a gas?
What is the process called when a solid changes directly into a gas?
What is the temperature at which a pure substance changes phase?
What is the temperature at which a pure substance changes phase?
What is the title of the lecture series where Dr. Clement A. Komolafe is the instructor?
What is the title of the lecture series where Dr. Clement A. Komolafe is the instructor?
What is the primary focus for students in Dr. Komolafe's class?
What is the primary focus for students in Dr. Komolafe's class?
What is a working fluid in a thermodynamic system?
What is a working fluid in a thermodynamic system?
What is a phase in the context of thermodynamics?
What is a phase in the context of thermodynamics?
What is one of the ground rules in Dr. Komolafe's class?
What is one of the ground rules in Dr. Komolafe's class?
What is one of the learning objectives in Dr. Komolafe's thermodynamics class?
What is one of the learning objectives in Dr. Komolafe's thermodynamics class?
What is the term for the pressure at which a pure substance changes phase at a given temperature?
What is the term for the pressure at which a pure substance changes phase at a given temperature?
What is the term for a liquid that is not about to vaporize?
What is the term for a liquid that is not about to vaporize?
What happens to the temperature of a liquid once boiling starts?
What happens to the temperature of a liquid once boiling starts?
What is the term for a vapor that is about to condense?
What is the term for a vapor that is about to condense?
What is the term for a substance at a state between saturated liquid and saturated vapor?
What is the term for a substance at a state between saturated liquid and saturated vapor?
What is the minimum temperature required for condensation to occur at a pressure of 1 atm?
What is the minimum temperature required for condensation to occur at a pressure of 1 atm?
What is the term used to describe a vapor that is not about to condense?
What is the term used to describe a vapor that is not about to condense?
What is the degree of superheat?
What is the degree of superheat?
What is the dryness fraction of a wet vapor?
What is the dryness fraction of a wet vapor?
What is the wetness fraction of a wet vapor?
What is the wetness fraction of a wet vapor?
What is the unit of dryness fraction?
What is the unit of dryness fraction?
What is the purpose of the steam table?
What is the purpose of the steam table?
