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(c) The gas is monatomic so
γ
= 5/3.
Eq. 1954 then yields
P
f
= 0.961 atm.
(d) Using Eq. 1953 in Eq. 1825 gives
11
f
i
V
f
if
f
i
i
ii
V
VV
p
V
p
V
Wp
V
V
d
Vp
V
γγ
γ
−−
−
==
=
³
where in the last step Eq. 1954 has been used. Converting “atm” to “Pa”, we obtain
236 J.
W
=
73. (a) The volume has increased by a factor of 3, so the pressure must decrease
accordingly (since the temperature does not change in this process).
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This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.
 Spring '08
 Any
 Physics

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