Compare/Contrast Changes in States of Matter Flashcards
Movement of molecules in a substance depends on _______ energy.
heat
Which of the following statements is true?
The triple point of a substance is the temperature and pressure at which three phases of a substance may coexist in thermodynamic equilibrium.
Which of the following definitions is correct?
Liquids have a constant volume but not a constant shape.
Which of the following statements correctly describes “sublimation”?
The transition of a substance from solid to gas without passing through the liquid state.
Which of the following components can be found in a phase graph?
Temperature and pressure as its axes.
The amount of movement within a substance:
Depends on the state of matter of the substance.
Which of the following descriptions is correct?
Gas: no definite volume and no definite shape.
Which of the following statements is true?
Freezing is the transition of a liquid to a solid.
Which of the following terms best describes a sample composed of particles that can be squeezed together?
Gas.
Why are gases compressible whereas solids are not compressible?
Particles in a gas have a large amount of empty space between them.
By looking at a phase diagram of water, what can be assessed?
Pressure and temperature are needed to change water from liquid to gas.
By looking at a phase diagram of carbon dioxide, what can be assessed?
The triple point of carbon dioxide.
Which of the following statements correctly describes “deposition”?
The transition of a substance from gas to solid without passing through the liquid state.
The direct transition from a solid to a gas may occur through which of the following processes?
Sublimation.
