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Pressure in gases — AQA GCSE Physics 8463
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Physics
AQA GCSE Physics
Particle model of matter
Particle Model and Pressure
Pressure in gases
AQA GCSE Physics · 8463
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
6 key terms
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Particle motion in gases
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Increasing the pressure of a gas
