Question: A rigid insulated tank contains 0.6 kg of air, initially at 200 kPa, 20 C. The air is stirred by a paddle wheel until its

A rigid insulated tank contains 0.6 kg of air, initially at 200 kPa, 20 C. The air is

stirred by a paddle wheel until its pressure is 250 kPa. Using the ideal gas model = 0.72 kJ kgK1, determine, in kJ (a)

stirred by a paddle wheel until its pressure is 250 kPa. Using the ideal gas model = 0.72 kJ kgK1, determine, in kJ (a) the work (b) the change in exergy of the air (3) the amount of exergy destroyed Ignore the effects of motion and gravity, and let T, = 20C, po = 100 kPa. with %3D

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