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Problem 1: The power generation unit in your plant uses a hot exhaust gas from another process to produce work. The gas enters at 10 bar and 350 °C and exits at 1 bar and 40 °C. The process produces a net amount of work equal to 4,500 J/mol and it exchanges an unknown amount of heat with the surroundings. a) Determine the amount of heat exchanged with the surroundings. Is this heat absorbed or rejected by the system? b) Calculate the entropy change of the exhaust gas. c) As a young and ambitious engineer you seek ways to improve the process. What is the maximum amount of work that you could extract from this system? Assume that the inlet and outlet conditions of the exhaust gas remain the same. Additional data: Assume the surroundings to be at the constant temperature of 25 °C and the exhaust gas to be ideal with CP = 29.3 J/mol K.
100 gallons per minute flow of water at 50 degrees F passes through a theoretically 100% efficient heat exchanger. The hot side or energy to the heat exchanger is a 510 degree F hot gas (essentially steam).
Develop a mass balance for a continuous diafiltration step and indicate the volumetric flow rates and concentrations of different species in the different streams obtained.
Evaluate two to four (2-4) weaknesses that are evident in Honda's product life cycle. Generate a new product design and product selection, and then determine three (3) strategies that the organization needs in order to strengthen the operation. Pr..
Explain Non-adiabatic operations of flow reactors. 15In non-adiabatic operations, heat interchange with the surroundings will beaccounted. The conversion can be defined as the ratio of the net heat still needed after heattransfer to raise the feed..
Finding the Heat of Reaction (Enthalpy) from Heats of Formation, Calculate the heat of reaction at the standard reference state for the following reactions
Research the impact mining has had on the early history of Australia. In approximately 1,500 words choose an Australian town or city where mining started in the 18th or 19th or even early 20th Century and describe its early history.
The heat capacity of thereactants and products are 1.95 kJ/kg-K, the volumetric flow rate is 0.33 m3/hr, and the feedtemperature is 20oC. If the conversion is 95%, calculate (a) the reactor size and (b) the temperature of the reaction mixture, ift..
If a mixture of 5.0 g of hydrogen and 10. g of methane is burned, and the heat released is transferred to 50.0 g of water at 25.0C, what final temperature will be reached by the water?
An electric current of 200 A is passed through a stainless steel wire having a radius of 0.001268 m. The length of the wire L is 0.91 m and has a resistance of 0.126 ohms. The outer surface temperature Ts is held at 422.1 K. The average conductivi..
If 1000 tons/day of wet sugar is fed to the evaporator, how much additional water must be removed from the outlet sugar to dry it completely, and what annual revenue can be expected if dry sugar sells for $0.15/lbm?
Are small banks like Yolo Bank more or less likely to engage in off-balance sheet activities compared with large banks like BOA? Explain why or why not.How have banks managed to get around reserve requirements and regulation Q?
It has been suggested that carbon dioxide can be recovered from flue by using a membrane process. The flue gas has the following composition:
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