5. A chemical reaction in a laboratory with volume V (in ft produces q, ft/min of a noxious gas as a by product. The gas is dangerous at concentrations greater than T, but harmless at concentrations

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Extracted text: 5. A chemical reaction in a laboratory with volume V (in ft produces q, ft/min of a noxious gas as a by product. The gas is dangerous at concentrations greater than T, but harmless at concentrations < t.="" intake="" fans="" at="" one="" end="" of="" the="" laboratory="" pull="" in="" fresh="" air="" at="" the="" rate="" of="" q2="" ft/min="" and="" exhaust="" fans="" at="" the="" other="" end="" exhaust="" the="" mixture="" of="" gas="" and="" air="" from="" the="" laboratory="" at="" the="" same="" rate.="" assuming="" that="" the="" gas="" is="" always="" uniformly="" distributed="" in="" the="" room="" and="" its="" initial="" condition="" co="" is="" at="" a="" safe="" level,="" find="" the="" smallest="" value="" of="" q2="" required="" to="" maintain="" safe="" conditions="" in="" the="" laboratory="" for="" all="">