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Cards (23)
What is the particulate nature of matter?
It refers to the concept that matter is made up of small particles.
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What is the purpose of a heating
curve?
A heating curve illustrates how
temperature
changes as heat is added to a
substance.
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What technique should be used to analyze a heating curve?
One should assess the
gain
or
loss
of heat.
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What happens to the kinetic energy during the heating process?
It is converted to less or more
kinetic energy
depending on the
phase change.
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What is the arrangement of particles in a solid?
Particles in a solid are closely
packed
in an
orderly
manner.
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How does the arrangement of particles in a liquid differ from that in a solid?
In a liquid, particles are closely
packed
but in a
disorderly
manner.
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What is the movement of particles in a gas?
Particles in a gas
move quickly
and
randomly
in any direction.
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Why does the temperature remain constant during phase changes like melting or boiling?
Because the
energy gained
or lost is used to change the state rather than
increase
the temperature.
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What is the movement of particles in a solid?
Particles in a solid
vibrate
in a
fixed
position.
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Why can gas be compressed but solid cannot?
Gas
has a lot of
empty space
between particles, while solid has little empty space.
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How does the arrangement of particles in a gas compare to that in a liquid?
Gas particles are very far apart, while liquid particles are closely
packed
but
disordered.
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What happens to the attractive forces between particles during the
heating
process?
The attractive forces
weaken
as heat is
gained.
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What is the boiling point of a liquid?
The boiling point is the
temperature
at which a liquid turns into
gas.
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What is the
melting point
of a solid?
The
melting point
is the temperature at which a solid turns into
liquid.
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What occurs during the process of condensation?
During condensation, a gas loses
heat
and turns into a
liquid.
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What is the significance of temperature remaining constant during phase changes?
It indicates that the
energy
is being used for the phase change rather than
increasing
temperature.
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How does the arrangement of particles affect the properties of solids, liquids, and gases?
The arrangement of particles determines their density,
compressibility
, and
ability to flow.
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What happens to the attractive forces in a liquid compared to a solid?
The
attractive forces
in a liquid are
weaker
than in a solid.
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What is the characteristic movement of liquid particles?
Liquid particles slide past one another freely.
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What is the characteristic movement of gas particles?
Gas particles move quickly and randomly in any direction.
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How does the arrangement of particles in a solid affect its compressibility?
The closely
packed
arrangement of particles in a solid makes it
incompressible.
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What is the relationship between temperature and kinetic energy in solids?
In solids,
temperature
remains constant because the
kinetic energy
is not gained significantly.
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How does the arrangement of particles in a gas contribute to its ability to flow?
The far apart arrangement of gas particles allows them to
move freely
and
flow easily.
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