35 practice sets · Page 2 of 2
If you put food coloring in room temperature water, the coloring spreads throughout the water. The water causes the color to spread mainly because:
Water molecules are warm
Water molecules are in motion
Water is more dense than food coloring
Food coloring molecules are small
If the rate of evaporation from the surface of a liquid exceeds the rate of condensation,
the system is in equilibrium.
the liquid is boiling.
energy as heat is no longer available.
the concentration of the vapor is increasing.
Food coloring spreads out faster in hot water than in cold water. This is mainly because:
The water molecules in hot water move more quickly
The molecules in hot water are larger
The food coloring molecules are small
Hot water is less dense
During the process of freezing, a liquid
loses kinetic energy.
loses potential energy.
gains potential energy.
gains kinetic energy.
By which process do gases take the shape of their container?
evaporation
expansion
adhesion
diffusion
At pressures greater than 1 atm, water will boil at
a temperature higher than 100 degree Celcius.
a temperature lower than 100 degree Celcius.
100 degree Celcius.
4 degree Celcius.
Any sample of matter has mass and takes up space. The main reason for this is because:
All matter is heavy
Matter can be a gas
Matter is made up of tiny particles that have mass and take up space
The Earth is made of matter
An ideal gas is a hypothetical gas
not made of particles.
that conforms to all of the assumptions of the kinetic theory.
whose particles have zero mass.
made of motionless particles.
According to the kinetic-molecular theory, which substances are made of particles?
gases only
liquids only
all matter
all matter except solids
According to the kinetic-molecular theory, particles of matter are in motion in
gases only.
gases and liquids only.
solids, liquids, and gases.
solids only.
According to the kinetic-molecular theory, particles of matter
are in constant motion.
have different shapes.
have different colors.
are always fluid.
According to the kinetic-molecular theory, particles of an ideal gas
attract each other but do not collide.
repel each other and collide.
neither attract nor repel each other but collide.
neither attract nor repel each other and do not collide.
According to the kinetic-molecular theory, how does a gas expand?
Its particles become larger.
Collisions between particles become elastic.
Its temperature rises.
Its particles move greater distances.
A solid forms when the average energy of a substances particles
increases.
decreases.
decreases then increases.
creates a random arrangement.
A real gas
does not obey all the assumptions of the kinetic-molecular theory.
consists of particles that do not occupy space.
cannot be condensed.
cannot be produced in scientific laboratories.
