Question: The gas space above the water in a closed storage tank contains nitrogen at 80 F, 15 lbf/in.2 Total tank volume is 150 ft3 and

The gas space above the water in a closed storage tank contains nitrogen at 80 F, 15 lbf/in.2 Total tank volume is 150 ft3 and there is 1000 lbm of water at 80 F. An additional 1000 lbm water is now forced into the tank. Assuming constant temperature throughout, find the final pressure of the nitrogen and the work done on the nitrogen in this process?

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