# a 40 liter tank contains acetylene(R=0.319 kj/kg K)?

a 40 liter tank contains acetylene(R=0.319 kj/kg K). As the acetylene is used, the gage pressure drops from 2100 kpa to 500 kpa, while the temperature of the gas remaining in the tank drops from 25 degree celcius to 18 degree celcius.at atmospheric pressure and temperature of 18 degree celcius. (Use:Pabs=pgauge+patm) where Patm=101.325

a. determine the volume occupied by the acetylenein Lb. determine the remaining mass of the acetylene in the tankin kgc. determine the mass of the acetylene withdrawn in the tankin kgPLEASE HELP ME WITH THIS. I TRIED SEVERAL TIME HUHU

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