Boston University Operations And Supply Chain Management Assignment Help - A tank

Question - A tank in a room at 19°C is initially open to the atmosphere on a day when the barometric pressure is
102 kPa. A block of dry ice (solid CO2) with a mass of 15.7 kg is dropped into the tank, which is then
sealed. The reading on the tank pressure gauge initially rises very quickly then much more slowly,
eventually reaching a value of 3.27MPa. Assume T = 19°C.
(a) How many moles of air were in the tank initially? Neglect the volume occupied by CO2 in the solid
state and assumes that a negligible amount of CO2 escapes prior to the sealing of the tank.
(b) What is the final density (g/liter) of the gas in the tank?
(c) Explain the observed variation of pressure with time. More specifically, what is happening in the
tank during the ...Read More initial rapid pressure increase and during the later slow pressure increase? ...Read Less

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