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The temperature of 20 kg of air is increased from 300 to 500 Kelvin. Determine the heat transfer to the system, if the system does

The temperature of 20 kg of air is increased from 300 to 500 Kelvin. Determine the heat transfer to the system, if the system does 50 kJ of work, in kJ, using a) constant specific heat assumption; b) using ideal gas property table.

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