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A spherical tank of volume 300 L and initially pressurized to pi = 200 kP a g at Ti = 25C is to be

A spherical tank of volume 300 L and initially pressurized to pi = 200 kP a − g at Ti = 25◦C is to be filled from a high-pressure supply line (Ts = 25◦C, Ps = 2000 kP a − g).

The initial mass flow rate of air into the tank as soon as the valve is opened is 0.013 kg/s. Assuming ideal gas behavior,

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