Chapter 2 – Chemical Building Blocks
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T/F Blanks Laws Matter
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Row 1, Col 1
Pieces of dry ice (solid carbon dioxide) become
smaller through the process of condensation.
False, Sublimation
1,2
__________ occurs when particles in a gas lose enough
thermal energy to form a liquid.
condensation
1,3
According to Boyle’s Law, when the pressure of a gas increases at constant temperature, its volume
a. increases b. stays constant
c. decreases d. increases, then decreases.
C. decreases
1,4
The force of a gas’s outward push divided by the area of the walls
of the container is the gas’sa.Volume
b.Temperaturec.Pressured.Density
C. Pressure
2,1
A liquid does not have a definite shape, but it does have a definite volume.
True
2,2
________ is a measure of the average energy of motion of the particles of a substance.
temperature
2,3
A graph of Boyle’s Law shows the relationship between
a. volume and density of a gas. b. volume and pressure of a gas.
c. temperature and volume of a gas. d. temperature and pressure of a gas.
b. Volume and pressure of a gas
2,4
In which state of matter are particles packed tightly together
in fixed positions?
Solid
3,1
In crystalline solids, the particles are not arranged in
a regular pattern.
False, amorphous
3,2
When a substance cools, it loses __________ energy to
its surroundings.
thermal
3,3
When an inflated balloon is exposed to cold air,
a. the temperature inside the balloon rises. b. the pressure inside the balloon rises. c. The volume of the balloon increasesd. The volume of the balloon decreases
D. Volume of balloon decreases
3,4
Which state of matter undergoes changes in volume most easily?
Gas
4,1
The freezing point and the melting point of water are the same temperature.
True
4,2
According to Charles’s Law, whenever the temperature of a gas
at constant pressure decreases, the volume _______.
decreases
4,3
A graph of Charles’s law shows the relationship between
a.Volume and density of a gasb.Volume and pressure of a gas
c.Temperature and volume of a gasd.Temperature and pressure of a gas
C. Temperature and volume of a gas
4,4
What is vaporization?
A liquid becoming a gas
5,1
At its boiling temperature, the particles of a liquid are moving
so slowly that they begin to form regular patterns.
False – freezing temperature
5,2
When the temperature of a gas in a balloon increases, the
volume of the balloon will ________.
increases
5,3
When the temperature of a gas at constant volume increases, its
a.Volume increasesb.Pressure decreasesc.Pressure increasesd.Volume decreases
c. Pressure increases
5,4
The opposite of vaporization is called…
condensation