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CHAPTER 1
=
p
RT =( . )( )
()( )
56 2116
1716 850
= 0.00812 slug/ft3
1.2 =
p
RT
=
()( . )
()( )
10 101 10
287 320
5
x
= 11.0 kg/m3
RT
RT
( . )( )( )
1108314 320
kg
1.3 From the definition of enthalpy,
h = e + p v = e + RT (A1)
For a calorically perfect gas, this becomes
1.4 s2 – s1 = cp
n
T
T
2
1
- R
n
p
p
2
1
(a) R = 1716 ft-lb/slugR
1.5
p
p
2
1
=
T
T
2
1
1
−
T
2
1
1 4
0 4
.
.
1.7
(a) dp = -VdV
and d = dp, or dp =
d
Combining:
d
