Total Ventilation in a Laboratory
Not what you're looking for?
A laboratory has four hoods each of which is 39 inches wide. When the hood door is open to a height of 8 inches and the hoods are operating, the average air velocity through the hood is 170ft/min.
a. Evaluate the total ventilation rate for this room assuming that there are no other exhausts.
b. The laboratory is designed for use by 30 students. Evaluate the air available per student if the mixing factor is 0.3, and experiments last for 3 hours.
c. An experiment is considered in which each student would be required to evaporate 7 mL of methylene chloride (CH2Cl2). Estimate the average concentration of methylene chloride.
Purchase this Solution
Solution Summary
This solution is comprised of a detailed response which outlines and works through the equations which are required for solving the following questions regarding ventilation rate, available air concentration, and calculating the concentration of methylene chloride. In order to view this solution, a word attachment containing the response needs to be opened.
Purchase this Solution
Free BrainMass Quizzes
Thermochemistry
The quiz helps in revising basic concepts about thermochemistry.
Functional groups in Organic Chemistry
You will be tested on the names of functional groups in Organic Chemistry. It is very important to know the functional groups to understand Organic reactions.
General Chemistry - Classification of Matter
This test will assess your knowledge on the classification of matter which includes elements, compounds and mixtures.
Match Elements with their Symbols
Elements are provided: choose the matching one- or two-letter symbol for each element.