Consider the system shown below. Tank A has a volume of 0.3 m3 and initially contains an

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Consider the system shown below. Tank A has a volume of 0.3 m3 and initially contains an ideal diatomic gas at 700 kPa, 40°C. Cylinder B has a piston resting on the bottom, at which point the spring exerts no force on the piston. The piston–cylinder has a cross-sectional area of 0.065 m2, the piston has a mass of 40 kg, and the spring constant is 3500 N/m. Atmospheric pressure is 100 kPa.
Tanks A and B are well insulated and do not transfer heat between each other. The valve is opened and gas fl ows into the cylinder until pressures in A and B become equal and the valve is closed.
You may assume constant heat capacity. Determine the fi nal pressure in the system. Assuming the gas in A has undergone a reversible, adiabatic expansion, fi nd the fi nal temperature in cylinder A. The temperatures in tank A and B are not necessarily equal.image text in transcribed

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