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				| 1. | A piston/cylinder contains 2kg water at 200°C, 10 MPa. The water expands in an isothermal process to a pressure of 200 kPa. Any heat transfer takes place with an ambient at 200°C and whole process is be assumed reversible. Calculate the total work.$ | 
| A. | 1290.3 kJ | 
| B. | 1390.3 kJ | 
| C. | 1490.3 kJ | 
| D. | 1590.3 kJ | 
| Answer» B. 1390.3 kJ | |