Two containers are filled with air, one a rigid tank A, and the other a piston/cylinder B that is connected to A by a line and valve. The initial conditions are: mA 4 lbm, TA 1080 R, PA 75 lbf/in 2 and VB 17 ft3, TB 80 F, PB 30 lbf/in 2. The piston in B is loaded with the outside atmosphere and the piston mass in the standard gravitational field. The valve is now opened, and the air comes to a uniform condition in both volumes. Assuming no heat transfer, find the initial mass in B, the volume of tank A, the final pressure and temperature and the work, 1W2.