nitrogen is being withdrawn from a cylinder of 0.15 m3 at a rate of 10 mol/min. the cylinder contains pressure at 100 bar and temperature at 170k. the cylinder is isolated and has no heat exchange with the surrounding. how many moles of nitrogen are ther in cylinder at any time and what will be the pressure and temperature of the gas in the cylinder after 50 min for each of the following cases. also find the residual entropy change and residual enthalpy change at given temperature and pressure conditions for each of the following cases. a. assume nitrogen  to be ideal gas b. assume nitogen to be a vander waal fluid

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