Podcast
Questions and Answers
In a homogenous mixture, how many phases are present?
In a homogenous mixture, how many phases are present?
- Two phases
- Three phases
- Four phases
- One phase (correct)
What is the critical temperature (Tc) defined as in a phase diagram?
What is the critical temperature (Tc) defined as in a phase diagram?
- Temperature at which the solid and liquid phases coexist in equilibrium
- Temperature at which the substance forms a homogeneous mixture
- Temperature at which the substance undergoes sublimation
- Temperature above which the vapor or gas cannot be liquefied, no matter the applied pressure (correct)
What does the critical point of a substance represent on a phase diagram?
What does the critical point of a substance represent on a phase diagram?
- The point at which the substance forms a homogeneous mixture
- The point at which solid and liquid phases coexist in equilibrium
- The point at which the substance undergoes sublimation
- The point at which critical temperature and critical pressure meet (correct)
What is the critical pressure (Pc) defined as in a phase diagram?
What is the critical pressure (Pc) defined as in a phase diagram?
What does the dotted green line on the phase diagram represent?
What does the dotted green line on the phase diagram represent?