A gas is expanded from an initial state to a final state along a path that consists of
A
an isothermal expansion doing 
work, 
work,
B
an adiabatic expansion doing W work, 
C
an isothermal expansion doing 
work. If the total change in the internal energy of the gas is 
, the work done by the gas during the adiabatic expansion 
work. If the total change in the internal energy of the gas is , the work done by the gas during the adiabatic expansion
D
Text Solution
Verified by ExpertsThe correct answer is:
D
Isothermal Expansion,
In this process temperature remains constant. 
Using 1st law of thermodynamics
Adiabatic expansion,
In this process heat remains constant,
Isothermal expansion,
Change in internal energy, 
It can be written as
Now, using equation (2),
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