Question: An insulated piston - cylinder device initially contains 20 L of air at 140 kPa and 27C. Air is now heated for 10 min by

An insulated piston - cylinder device initially contains 20 L of air at 140 kPa and 27°C. Air is now heated for 10 min by a 100-W resistance heater placed inside the cylinder. The pressure of air is maintained constant during this process, and the surroundings are at 27°C and 100 kPa. Determine the exergy destroyed during this process.

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