A tank contains 1 kg of air at 500 K and 500 kPa. A 1 kW internal heater operates inside the tank at steady state

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A tank contains 1 kg of air at 500 K and 500 kPa. A 1 kW internal heater operates inside the tank at steady state to make up for the heat lost to the atmosphere which is at 300 K. Determine
(a) The rate of entropy transfer into the atmosphere.
(b) The rate of entropy generation in the system's universe.
(c) The internal rate of entropy generation.

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