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Byju's Answer
Standard XII
Chemistry
Difference between Internal Energy and Enthalpy
Calculate wor...
Question
Calculate work done when 2 mole of an ideal gas expands isothermally and reversibly at
300
K
from 10 atm pressure to 2 atm pressure.
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Solution
W
=
−
n
R
T
ln
P
1
P
2
Given that,
n
=
2
moles
T
=
300
K
P
1
=
10
atm;
P
2
=
2
atm
Now,
W
=
−
2
×
8.314
×
300
ln
(
10
2
)
W
=
−
8.028
kJ.
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