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				| 1. | A piston cylinder contains 3 kg of air at 20°C and 300 kPa. It is now heated at a constant pressure to 600 K. Find the work in the process. | 
| A. | 244.2 kJ | 
| B. | 254.2 kJ | 
| C. | 264.2 kJ | 
| D. | 274.2 kJ | 
| Answer» D. 274.2 kJ | |