Some Nitrogen gas of mass 2.8x10-3kg,its pressure latm,temperature 27'C,at first the pressure is increased to 3atm while the volume does not change, then pressure decreased to latm isothermally,at last the gas is pressed to half of its volume.Find the work done the internal energy change and energy absorbed in all three processes P(atm) mR☒=2.46×103m 3 2 V2=2.46×103m3B=3atm =900K D=R Some Nitrogen gas of mass 2.810-3kg，its pressure 1atm，temperature 27℃, at first the pressure is increased to 3atm while the volume does not change， then pressure decreased to 1atm isothermally，at last the gas is pressed to half of its volume。Find the work done , the internal energy change and energy absorbed in all three processes V4 V3 V P(atm) 1 3 2 V1