Chemistry, 13.09.2019 23:30, jakeSanT5737

There is a chemistry laboratory. you are called in as an emergency consultant. a container of 1 kilogram of liquid benzene broke and spilled its contents onto the floor. the room is 40 feet x 30 feet and 8 feet high. there was a graduate student in the laboratory breathing for an hour after the breakage occurred (without noticing it). then the room was evacuated. after the evacuation, the liquid is totally removed, and the room ventilation continues to be maintained. how long would you recommend that the room be unoccupied until it can be regarded as "safe". the air flow rate of room is 3m/s

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There is a chemistry laboratory. you are called in as an emergency consultant. a container of 1 kilo...