Physical Propteries And Changes Of Matter 3.2 Flashcards
The amount of molecular movement within a substance _________
Which of the following correctly completes the sentence above?
is independent of the amount of energy it has acquired.
increases as it gains heat and decreases as it loses heat.
increases as it gains heat and decreases as it loses heat.
decreases as it gains heat but does not increase in temperature.
is always independent of the temperature of the molecule.
Increases as it gains heat and decreases as it loses heat
Which of the following has the state of matter correctly matched with its description?
Solid / constant volume and constant shape
Gas / constant volume but not a constant shape
Liquid / neither a constant volume nor a constant shape
Liquid / constant volume and constant shape
A Solid / constant volume and constant shape
When observing a phase diagram of water, one can ascertain the _______
Which of the following correctly completes the sentence above?
pressure and temperature needed to change water from liquid to gas.
state of water when only its temperature is known.
boiling point for carbon dioxide:
triple point of carbon dioxide.
pressure and temperature needed to change water from liquid to gas.
Sublimation is. ________
Which of the following correctly completes the sentence above?
the transition of a solid to a liquid.
the transition of a substance from solid to gas without parsing through the liquid state.
a state change that happens above the triple point.
the transition of gas to liquid.
the transition of a substance from solid to gas without passing through the liquid state.
Which of the following statements is true?
Freezing is the transition of a liquid to a solid.
Condensation is the transition of liquid to gas.
The critical point is the temperature and pressure at which liquid, gas, and solid phases of a pure substance coexist.
A phase diagram is a graph of physical states of substance under varying temperatures as a function of time.
Freezing is the transition of a liquid to a solid.
The amount of movement within a substance. ________
Which of the following correctly completes the sentence above?
A
is independent of the amount of movement within its molecules.
B
decreases as it gains thermal energy and increases as it loses thermal energy.
C
increases at it gains thermal energy, but only during phase changes.
D
is different depending on whether the substance is in its solid, liquid, or gaseous state.
is different depending on whether the substance is in its solid, liquid, or gaseous state.
Ice floats in water because _________
Which of the following correctly completes the sentence above?
A
the density of ice is less than the density of liquid water.
B
the density of ice is greater than the density of liquid water.
C
the density of ice is the same as the density of liquid water.
D
the density of ice is 1g/cm3.
the density of ice is less than the density of liquid water.
Which of the following has the property correctly matched with its type?
A Volume / Intensive property
B Mass / Intensive property
C Density / Intensive property
D Color / Extensive property
C Density / Intensive property
Deposition is _________
Which of the following correctly completes the sentence above?
the transition of gas to liquid.
the transition of a substance from a gas to a solid without passing through the liquid state.
a state change that happens above the critical point.
the transition of a solid to a gas.
the transition of a substance from a gas to a solid without passing through the liquid state.
Which of the following statements is true?
The triple point is the temperature and pressure at which liquid and solid (but not gas) phases of a pure substance coexist.
Condensation is the transition of a solid to a gas.
Melting is the transition of a solid to a liquid.
A phase diagram is a graph of physical states of substance under varying temperatures as a function of time.
Melting is the transition of a solid to a liquid.
- Which of the following phase changes requires the loss of heat?
A. Melting
B. Evaporation
C. Freezing
D. Sublimation
Freezing
- Which of the following is true of liquids?
A. They have definite shape and volume.
B. They have no definite shape, but they have definite
volume.
C. They have a definite shape but no definite volume.
D. They have no definite shape and no definite volume.
They have no definite shape but they have definite volume
- Which of the following best describes the triple point?
A. Point where temperature, pressure, and volume all equal one another
B Point where a substance can exist as a solid, liquid, and gas
C. Point where no more energy can be absorbed by a substance
D. Point where a substance starts to lose its shape
Point where a substance can exist as a solid, liquid, and gas
Liquid —— gas
Liquid —— solid
Solid——- gas
Solid ——— liquid
Gas——- liquid
Evaporation
Freezing
Sublimation.
Melting
Condensation
