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Chemistry CH 10 study
Terms in this set (38)
A volatile liquid
the rate of evaporation remains constant.
If the temperature and surface area of a liquid remain constant,
have an increased vapor pressure.
If the temperature of a liquid-vapor system at equilibrium increases, the new equilibrium condition will
absorbs energy from its surroundings.
Whenever a liquid changes to a vapor, it
the odor of perfume spreading throughout a room
Which is an example of gas diffusion?
high temperature and the molecules are small.
Diffusion between two gases occurs most rapidly if the gases are at
amount of order in particle arrangement.
The difference between crystalline and amorphous solids is determined by
the concentration of the vapor is increasing.
If the rate of evaporation from the surface of a liquid exceeds the rate of condensation,
liquid to a gas.
The density of a substance undergoes the greatest change when the substance changes from a
Which best describes the particles of a liquid compared to those of a gas?
the particles do not have a tendency to change positions.
Solids have a definite volume because
the average energy of the particles in the liquid increases.
The equilibrium vapor pressure of a liquid increases with increasing temperature because
the process by which a liquid changes to a gas & the process by which a solid changes to a gas
Which of these best describes vaporization?
What determines the average kinetic energy of the molecules of any gas?
particles are not free to move about.
The rate of diffusion in solids is very low because the
most dense in the solid state.
In general, most substances are
Which of these can happen due to decreasing the average energy of a liquid's particles?
air slowly escaping from a pinhole in a tire
Which is an example of effusion?
occur in a random pattern.
Compared with a crystalline solid, the particles in an amorphous solid
Which of the following is an amorphous solid?
the attractive forces between the particles differ among liquids.
At a given temperature, different liquids will have different equilibrium vapor pressures because
Forces holding particles together are strongest in a
Which substance's solid state consists of covalent molecular crystals?
What is the process of a substance changing from a solid to a vapor without passing through the liquid phase?
that conforms to all of the assumptions of the kinetic theory.
An ideal gas is a hypothetical gas
Which term best describes the process by which particles escape from the surface of a nonboiling liquid and enter the gas state?
can change positions with other particles.
The particles in both gases and liquids
high kinetic energy
Which of the following causes particles in a liquid to escape into a gas state?
the pressure exerted by a vapor in equilibrium with its liquid at a given temperature.
The equilibrium vapor pressure of a liquid is
the distance between the particles
According to the kinetic-molecular theory, which is the most significant difference between gases and liquids?
are in constant motion.
According to the kinetic-molecular theory, particles of matter
the lowest pressure under which a substance can exist as a liquid at the critical temperature
What is the critical pressure?
the forces that act between the particles.
The kinetic-molecular theory explains the properties of solids, liquids, and gases in terms of the energy of the particles and
cannot exist in the liquid state.
Above the critical temperature, a substance
vibrate about fixed positions.
Particles within a solid
lower than that of ether.
The equilibrium vapor pressure of a molten ionic compound is likely to be
What is the process by which molecules of a gas randomly encounter and pass through a small opening in a container?
Which of the following properties do solids share with liquids?
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