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Change of ideal gas state
Polytropic process
gas initial pressure
p
1
=
Pa
x
μPa
mPa
Pa
kPa
MPa
GPa
bar
kgf/cm
2
mm H
2
O
mm Hg
final gas pressure
p
2
=
Pa
x
μPa
mPa
Pa
kPa
MPa
GPa
bar
kgf/cm
2
mm H
2
O
mm Hg
final gas volume
V
2
=
m
3
x
mm
3
cm
3
dm
3
m
3
ml
cl
dl
l
hl
in
3
ft
3
yd
3
gas initial volume
V
1
=
m
3
x
mm
3
cm
3
dm
3
m
3
ml
cl
dl
l
hl
in
3
ft
3
yd
3
polytropic index
n =
1. Define values of all variables, besides sought quantity
2. Change units if necessary
3. Click "Calculate"
