Compute the steady-state concentration

Reference no: EM13192190

At a gathering of 30 people in a room 6m x 9m x 3m half of the people are smoking an average of 3 cigarettes per hour. Each cigarette releases 2.4 mg of formaldehyde. The air exchanges five times an hour. Assuming that the outdoor formaldehyde concentration is neglible, calculate the steady-state concentration in the air inside the room. Does the concentration exceed the concentration (100 ppbv) considered to be the level of concern?

Reference no: EM13192190

Questions Cloud

How many humans and horses are there : One day, a person went to horse racing area, Instead of counting the number of human and horses, he instead counted 74 heads and 196 legs. Yet he knew the number of humans and horses there. How did he do it, and how many humans and horses are ther..

How the sample of table salt is analyze : which is to say that potassium iodide is added to the sodium chloride as a nutrient. When a 4.2962 g sample of table salt was analyzed by precipitating the halides with silver nitrate, 10.4192 g of a miture of AgCl and AgI resulted.

How much money will the horton family save : The Horton family decides to subscribe to to 2 premium channels far a period of one year. which cable company should they subscribe in other to pay less money? how much money will the Horton family save in one year for using the less expensive com..

Graph the equation to represent the relationship : graph the equation to represent the relationship between the number of tickets sold and the profit from the dance. then find how many ticket must be sold to break even.

Compute the steady-state concentration : Assuming that the outdoor formaldehyde concentration is neglible, calculate the steady-state concentration in the air inside the room. Does the concentration exceed the concentration (100 ppbv) considered to be the level of concern?

How many units will the consumer buy in jail : Suppose the individual demand for a product is given by QD = 1000 - 5p. Marginal revenues is MR = 200 - 0.4Q, and marginal cost is constant at $20 there are no fixed cost. A. The firm is considering a quantity discount. The first 400 units can be ..

Define lead acetate from a sample of wine : Using your knowledge of chemistry, describe at least one method that could be used to remove lead(II) acetate from a sample of wine.

Describe what happens in getting this request message : Describe what happens in getting this request message to the server and how the server gets the response message back to the client.

Define what was the mass percentage of the table salt : A 4.50-g sample is burned, and 2.70 g of CO2(g) is produced. What was the mass percentage of the table salt in the mixture?

User Account

All Pages