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Chemistry
Chemistry
Problem
An ideal monatomic gas containing
n
n
n
moles is expanded reversibly and isothermally at temperature
T
T
T
from an initial volume
V
i
V_i
V
i
to a final volume
3
V
i
3V_i
3
V
i
. Show that the entropy change of the gas is
n
R
ln
3
nR \ln 3
n
R
ln
3
.
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