A rigid tank as part of a rocket engine contains 2 kg of Oxygen gas at...
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A rigid tank as part of a rocket engine contains 2 kg of Oxygen gas at 250 H and 1 MPa. 0.1 kmol of Hydrogen at 300K is added to the tank and the mixture is heated to 500 K. Treating the gas as ideal with variable specific heats, a. What will the final pressure be? b. Calculate the heat transfer to the mixture. (Hint: Write the energy balance of the tank between the initial state and the final state. The system will contain oxygen at state 1 and the mixture at state 2. The hydrogen will enter the system carrying enthalpy. Answer: 844 kJ) c. Calculate the entropy change of the oxygen. (Answer: 1.636 KJIK) Hydrogen 0.1 kmol 30ок Охудen 2 kg Heat Input 250 K 1 MPa (until 500K) A rigid tank as part of a rocket engine contains 2 kg of Oxygen gas at 250 H and 1 MPa. 0.1 kmol of Hydrogen at 300K is added to the tank and the mixture is heated to 500 K. Treating the gas as ideal with variable specific heats, a. What will the final pressure be? b. Calculate the heat transfer to the mixture. (Hint: Write the energy balance of the tank between the initial state and the final state. The system will contain oxygen at state 1 and the mixture at state 2. The hydrogen will enter the system carrying enthalpy. Answer: 844 kJ) c. Calculate the entropy change of the oxygen. (Answer: 1.636 KJIK) Hydrogen 0.1 kmol 30ок Охудen 2 kg Heat Input 250 K 1 MPa (until 500K)
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Quantitative Analysis for Management
ISBN: 978-0132149112
11th Edition
Authors: Barry render, Ralph m. stair, Michael e. Hanna
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