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213. A
standard cubic foot
, scf, of gas represents one cubic foot of gas at one atmosphere and
298.15 K. This means that a standard cubic foot is a
convenience unit
for moles.
This is easy to
see in terms of an ideal gas for which the equation of state is given by
pV
n RT
=
The number of moles in
one standard cubic foot
of an ideal gas can be calculated as
one atmosphere
=
one cubic foot
=
298.15 K
=
p
np
V
R
T
V
T
=
and for a nonideal gas one must use an appropriate equation of state.
In this problem you are
asked to determine the number of moles that is equivalent to one scf of an ideal gas.
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This note was uploaded on 07/15/2010 for the course ECM 051 taught by Professor B.g.higgins during the Winter '10 term at UC Davis.
 Winter '10
 B.G.Higgins

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