1.5 kg of nitrogen contained in the cylinder at a pressure of 6 bar and temperature 300 Kelvin expands three times its original volume .assuming the expansion process to be isobaric  make calculation for : (i)initial volume (ii) final temperature (iii)work done by the gas  (iv) heat added and (v)change in internal energy . for nitrogen CP is equal to 1.005 kJ/kg K and R = 295 joule per kg Kelvin

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