10. Suppose that a room containing 1200 fts of air is initially free of carbon monoxide...
Suppose that a room containing 1900 cubic feet of air is originally free of carbon monoxide (CO). Beginning at time t 0, cigarette smoke containing 3% CO is introduced into the room at a rate of 0.3 cubic feet per minute. The well- circulated smoke and air mixture is allowed to leave the room at the same rate. Let A(t) represent the amount of CO in the room (in cubic feet) after t minutes. (A) Write the DE model for...
Question Help The air in a room 16 ft by 8 ft by 8 ft is 4% carbon monoxide air in the room flows out through a vent at the same rate, when will the air in the room be 0 01% carbon monoxide? Starting at t 0, fresh air containing no carbon monoxide is blown into the room at a rate of 150 ftimin If The air in the room will be 0.01% carbon monoxide after Round to two...
The air in a room 10 ft by 8 ft by 8 ft is 4% carbon monoxide. Starting at t= 0, fresh air containing no carbon monoxide is blown into the room at a rate of 75 ft/min. If air in the room flows out through a vent at the same rate, when will the air in the room be 0.01% carbon monoxide? minutes. The air in the room will be 0.01% carbon monoxide after (Round to two decimal places...
1. Carbon monoxide poisoning can happen because carbon monoxide has a higher affinity for hemoglobin than oxygen does. This can be seen by comparing the equilibrium constants for the two reactions Hb(a)+02()Hb02(aq) Hb(a)C(e) HbCO(aq) K 1.9x1012 K 1.1x1014 where Hb is hemoglobin. The actual reactions are more complicated since each hemoglobin can accept up to four oxygen molecules, but we will simplify it for this problem A concentration of about 12,500 parts per million of CO is considered highly lethal....
10. Suppose a brine containing 0.2 kg of salt per liter runs into a tank initially filled with 500 L of water containing 5 kg of salt. The brine enters the tank at a rate of 5 L/Min. The mixture, kept uniform by stirring, is flowing out at the rate of 5 L/min. Let A(t) be the amount of salt in the tank at time t (in minutes), then set up an IVP for the scenario, then find the concentration,...
7. Consider the following scenario. A pond containing 500,000 gal of water is initially free of a certain toxin. Water containing 0.02 g/gal of the toxin flows into the pond at a rate of 250 gal/hour and water also flows out of the pond at the same rate. Assume that the toxin is uniformly distributed throughout the pond. Let Q(t) be the amount of the toxin in the pond at time t (hours). Write down an initial value together with...
3. Attempt any two parts; each part is of 7.5 marks. )A public bar opens at 6 p.m. and is rapidly filled with clients of whom smoke rity are smokers. The bar is equipped with ventilators which exchange the made air mixture with fresh air. Cigarette smoke contains 4 % carbon mono anda prolonged exposure to a concentration of more than 0.012% can be fatal. The bar has a floor area of 20 m by 15m, and a height of...
A tank initially contains 500 gallons of water in which 40 pounds of salt is initially dissolved in the water. Brine (a water-salt mixture) containing 0.4 pounds of salt per gallon flows into the tank at the rate of 5 gal/min, and the mixture (which is assumed to be perfectly mixed) flows out of the tank at the same rate of 5 gal/min. Let y(t) be the amount of salt (in pounds) in the tank at time t. a) Set up...
3. A 1000-gallon tank initially contains 800 gallons of water with 3 lbs of salt dissolved in it. A water-salt mixture with a concentration of 0.4 lb of salt per gallon enters the tank at a rate of 8 gal/hr. The liquid in the tank is well-mixed and is pumped out of the tank at a rate of 10 gal/hr. Suppose you were asked to find an expression for the amount of salt in the tank at time t. (a)...
can anyone solve for question part d
The air in a 48 cubic metre kitchen is initially clean, but when David buns his toast while making breakfast, smoke is mixed with the rooms ar at a rate of 0.08 mg conditioning system exchanges the mixture of air and smoke with clean air at a rate of 5 cubic metres per minute. Assume that the polutants are mioxed uniformly throughout the room and that burnt toast is taken outside after 75...