Mathematics, 26.11.2019 07:31 neariah24
Air containing 0.04% carbon dioxide is pumped into a room whose volume is 6000 ft3. the air is pumped in at a rate of 2000 ft3/min, and the circulated air is then pumped out at the same rate. if there is an initial concentration of 0.4% carbon dioxide, determine the subsequent amount in the room at any time. what is the concentration at 10 minutes?
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