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Change of ideal gas state
Entropy of ideal gas
ideal gas entropy change
ΔS =
J/K
x
J/K
kJ/K
specific heat capacity of gas by constant volume
c
v
=
J/(kg·K)
x
J/(kg·K)
kJ/(kg·K)
gas mass
m =
kg
x
μg
mg
g
kg
q
t
u
pood
lb
gas final temperature
T
2
=
K
x
μK
mK
K
kK
MK
gas initial temperature
T
1
=
K
x
μK
mK
K
kK
MK
gas constant
R =
J/(kg·K)
x
J/(kg·K)
kJ/(kg·K)
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
1. Define values of all variables, besides sought quantity
2. Change units if necessary
3. Click "Calculate"