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A thermally insulated piston-cylinder device initially contains 0.032 kg of H2 and 0.176 kg of CO2 at 300 K and 140 kPa. Now, the gas
A thermally insulated piston-cylinder device initially contains 0.032 kg of H2 and 0.176 kg of CO2 at 300 K and 140 kPa. Now, the gas mixture is heated by the 100-W power electrical heater inserted to the cylinder for 10 min. The pressure of the gas mixture is maintained constant during this process, and the surroundings are at 300 K and 100 kPa. The molar weights of H2 and CO2 are 2 and 44, respectively. You can assume that H2 and CO2 have constant specific heats (cp) of 14.051 kJ/kg-K and 0.791 kJ/kg-K, respectively. Determine: (a) The final temperature of the gas mixture. (b) The exergy destroyed (c) The minimum electric heater input to complete this process
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