A rigid tank contains 2 kg air at 200 kPa and ambient

Chapter 6, Problem 148HP

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Problem 148HP

A rigid tank contains 2 kg air at 200 kPa and ambient temperature, 20°C. An electric current now passes through a resistor inside the tank. After a total of 100 kJ of electrical work has crossed the boundary, the air temperature inside is 80°C. Is this possible?

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