What is the minimum flowrate in m3 hr-1 needed to maintain, Ask an Expert

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Given: A restaurant kitchen has the dimesions 6m x 6m x 2m. Carbon monoxide (CO) is emitted from the cooking stoves at a rate of 1 mg min-1. Clean air (i.e. negligible CO concentration) enters the room, the room is well mixed, and the air exiting the room from the ventilation system leaves at the same flow rate as the clean air entering the room. Find: (a) What is the minimum flowrate (in m3 hr-1) needed to maintain a maximum CO concentration of 1 ppm in the room at steady-state? (b) What is the residence time of air in the room?

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