Nitrogen (molar mass 28 kg/kmol) expands reversibly in a perfectly thermal insulated cylinder from 2.08 bar...

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Nitrogen (molar mass 28 kg/kmol) expands reversibly in a perfectly thermal insulated cylinder from 2.08 bar ,180°C to a volume of 0.07 m3 if the initial volume occupied was 0.02 m3. Assume Nitrogen is a perfect gas and take Cv = 0.741 kJ/kgK. Calculate: 2.1. The final pressure. (5) 2.2. The work input. (3) [8 Marks] Nitrogen (molar mass 28 kg/kmol) expands reversibly in a perfectly thermal insulated cylinder from 2.08 bar ,180°C to a volume of 0.07 m3 if the initial volume occupied was 0.02 m3. Assume Nitrogen is a perfect gas and take Cv = 0.741 kJ/kgK. Calculate: 2.1. The final pressure. (5) 2.2. The work input. (3) [8 Marks]