Two vessels A and B of different sizes are connected by a pipe with a valve. Vessel A contains 140 L of air at 3000 kPa, 90°C. Vessel B, of unknown volume, contains air at 70 kPa, 5°C. The valve is opened and, when the properties have been determined, it is found that pm= 1400 kPa, tm = 45°C. (a) What is the mass in kg of air initially inside vessel A (b) What is the volume of vessel B in liters? %3D

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