Charles’s law states that the pressure is proportional to temperature
at constant mole number and constant volume. Applying
this law to eq 16 gives
pV
⇔
n
T Th pT
nV
= const = ( , )
,
∝
n V p T , (17)
Resulting from eq 17
h pT h pT
nV ( ) = ⇒
, const ( , ) = c
,
onst (18)