Figure 91 P-V Diagram of Several Possible Thermodynamic Processes Between

question 51

Multiple Choice

Figure 9.1 p-V diagram of several possible thermodynamic processes between initial and final states.
-A fixed mass of gas initially occupies a 2 L volume at atmospheric pressure. It undergoes an isobaric change to a volume of 5 L, followed by an isochoric change to a pressure of 2 atm. See path (iii) in Fig. 9.1. If the system is brought back to its initial state along the reverse of path (ii) , what is the net work done on the gas?

• A)-456 J
• B)-152 J
• C)152 J
• D)456 J

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