# If 1500 lb., of air is pumped into a previously empty 900 ft3 storage tank and the air temperature in the tank is uniformly 70°F, what is the air pressure in the tank in atmospheres?

July 5, 2020
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July 5, 2020

1. If 1500 lb., of air is pumped into a previously empty 900 ft3 storage tank and the air temperature in the tank is uniformly 70°F, what is the air pressure in the tank in atmospheres? 2. In Prob. 2.5, assume that the rate at which air is being pumped into the tank is 0.5 lb.,/s. Consider the instant in time at which there is 1000 lb., of air in the tank. Assume that the air temperature is uniformly 50°1F at this instant and is increasing at the rate of 1 °F/min. Calculate the rate of change of pressure at this instant. Prob. 2.5 If 1500 lb., of air is pumped into a previously empty 900 ft3 storage tank and the air temperature in the tank is uniformly 70°F, what is the air pressure in the tank in atmospheres?

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