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3 moles of an ideal monatomic gas initially at 2.00 atm and 20. L is expanded is

ID: 630600 • Letter: 3

Question

3 moles of an ideal monatomic gas initially at 2.00 atm and 20. L is expanded isothermally from its initial state to a final state (Vf = 36 L, Pf = 1.11 atm) in two steps as shown below: Step 1: Expand to 32 L at a pressure of 1.25 atm Step 2: Expand to 36 L at a pressure of 1.11 atm Calculate the ratio of the work done in this two-step process to the theoretical maximum amount of work that could be done in a transformation from the initial state to the final state. a) 0.41 (41%) b) 0.83 (83%) c) 0.87 (87%) d) 0.0082 (0.82%) e) none of these

Explanation / Answer

d) 0.0082 (0.82%