Podcast
Questions and Answers
What does the heat of sublimation involve?
What does the heat of sublimation involve?
- The change in phase from liquid to gas
- The energy released in a chemical reaction
- The change in phase from solid to gas (correct)
- The change in phase from solid to liquid
How is a specific property defined?
How is a specific property defined?
- Is an extensive property multiplied by mass
- Defines a specific variable (e.g., temperature) (correct)
- Is independent of mass
- Is dependent on the phase of the substance
What is the definition of a material's specific heat?
What is the definition of a material's specific heat?
- The ratio of heat required to change the temperature of mass by a change in temperature (correct)
- Being different for constant pressure and constant temperature processes
- A function of temperature
- All of the above
What do properties having to do with equilibrium conditions, such as Gibbs and Helmholtz functions, refer to?
What do properties having to do with equilibrium conditions, such as Gibbs and Helmholtz functions, refer to?
In a saturated vapor, what is the relationship between temperature and pressure?
In a saturated vapor, what is the relationship between temperature and pressure?
How are properties of a superheated vapor characterized?
How are properties of a superheated vapor characterized?
What is the best definition of enthalpy?
What is the best definition of enthalpy?
Which statement is not true for real gases?
Which statement is not true for real gases?
When is the stagnation state called the isentropic stagnation state?
When is the stagnation state called the isentropic stagnation state?
During which process does the entropy of a fluid remain constant?
During which process does the entropy of a fluid remain constant?
Which of the following processes is irreversible?
Which of the following processes is irreversible?
What does the heat of vaporization involve?
What does the heat of vaporization involve?
What happens during the stagnation process in fluid mechanics?
What happens during the stagnation process in fluid mechanics?
What is a system composed of ice and water at 0°C said to be?
What is a system composed of ice and water at 0°C said to be?
Which term is used to describe the properties of a fluid at the stagnation state?
Which term is used to describe the properties of a fluid at the stagnation state?
When does a liquid boil?
When does a liquid boil?
Which of the following is NOT considered a thermodynamic property?
Which of the following is NOT considered a thermodynamic property?
