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General
Easy
Question
Three processes form a thermodynamic cycle as shown on P-V diagram for an ideal gas Process 
takes place at constant temperature (300K) Process 
takes place at constant volume During this process 40J of heat leaves the system Process 3®1 is adiabatic and temperature T3 is 275K. Work done by the gas during the process 
is
- -40J
- -20J
- +40J
- +20J
The correct answer is: -40J
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