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9.3.29. A cylinder that initially contains nitrogen at 1 atm and 25C is connected to a high- pressure line of nitrogen at 50 atm and 25C. When the cylinder pressure reaches 40 atm. the valve on the cylinder is closed. Assume the process is adiabatic, and that nitrogen can be treated as an ideal gas. What is the temperature in the cylinder when the valve is closed? Ideal heat capacities are listed in Table 9.3