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Physics
Particle model of matter
Particle Model and Pressure
Pressure in gases
Pressure in gases
What You Need to Know
Use the particle model to explain how increasing the volume of a gas at constant temperature leads to a decrease in pressure.
Calculate pressure or volume changes for a fixed mass of gas at constant temperature using the equation:
p
V
=
c
o
n
s
t
a
n
t
p V = constant
p
V
=
co
n
s
t
an
t
Revision Notes
1
Pressure in gases
13 key terms
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Particle motion in gases
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Increasing the pressure of a gas
